Johannes Becker is a research fellow at the Leibniz-Zentrum Moderner Orient (ZMO), Berlin, Germany. His research revolves around the relationship between biographies, history and space, especially in relation to cities, migration and family in the Middle East. He is the principal investigator of the research project “Migrant arrival contexts in transregional comparison” and co-convener of the scientific network “Qualitative social research and transregional theory-building in the context of global sociology(ies)”, both funded by the German Research Foundation (DFG). 2023-2027 he is the President of the RC38 “Biography and Society” in the International Sociological Association (ISA).Mathias Bös is a Professor of Sociological Theory at the Institute of Sociology, Leibniz University Hannover, Germany. He received his doctorate from Johann Wolfgang Goethe-University Frankfurt am Main, he habilitated at Ruprecht-Karls-University Heidelberg and held a professorship at Philipps-University Marburg. His main research interests are in the sociology of migration, race and ethnic relations, citizenship studies, global conflict dynamics, and cultural heritage in North Atlantic societies, as well as in the history of ideas in social sciences, especially in the USA.Dr. Sevil Çakır earned her Ph.D. in Middle Eastern studies from Leiden University in the Netherlands. Her research interests revolve around forced migration, social and political movements, gender, intersectionality, political violence and the Middle East. She has authored publications that cover diverse topics such as activism in exile, Kurdish migrant women in Germany, feminist methods in social movements, and women’s movements in Iran and Turkey. From 2018 to 2023, she worked as a research associate and lecturer at the Center for Methods of Social Sciences at the University of Göttingen, where she taught graduate seminars and lectures on social movements, intersectionality, research methods, and feminist methodologies. Her postdoctoral research examines the social and political activism, intersectional solidarity, and transnational activities of racialized migrant women in Germany.

• Chapter 1. Introduction.- Chapter 2. Observations on the fragility of global migration.- Chapter 3. Immobilized Markets: Perception, experience, and response of migration brokers to state-induced immobility.- Chapter 4. Fragile as a class: Marxist scholars’ views of the ‘Gastarbeiter’ in West Germany in the global 1970s.- Chapter 5. Contingency and fragility in mass immigration to São Paulo coffee economy (1880-1930).- Chapter 6. The neocolonial securitisation of mobilities: (Re)producing (in)fragilities, (in)securities, and (im)mobilities.- Chapter 7. Citizenship, local history and immigrant fragility: Reactions to Venezuelans, Northeasterners and Haitians in Brazil.- Chapter 8. Negotiating the citizenship-regime: Fragility and the example of sanctuary cities in the U.S.- Chapter 9. Intersectional solidarities in resisting intersectional fragilities: Kurdish migrant women’s activism in Germany.- Chapter 10. Family figurations becoming fragile in forced migration processes.

Johannes Becker is a research fellow at the Leibniz-Zentrum Moderner Orient (ZMO), Berlin, Germany. His research revolves around the relationship between biographies, history and space, especially in relation to cities, migration and family in the Middle East. He is the principal investigator of the research project “Migrant arrival contexts in transregional comparison” and co-convener of the scientific network “Qualitative social research and transregional theory-building in the context of global sociology(ies)”, both funded by the German Research Foundation (DFG). 2023-2027 he is the President of the RC38 “Biography and Society” in the International Sociological Association (ISA).Mathias Bös is a Professor of Sociological Theory at the Institute of Sociology, Leibniz University Hannover, Germany. He received his doctorate from Johann Wolfgang Goethe-University Frankfurt am Main, he habilitated at Ruprecht-Karls-University Heidelberg and held a professorship at Philipps-University Marburg. His main research interests are in the sociology of migration, race and ethnic relations, citizenship studies, global conflict dynamics, and cultural heritage in North Atlantic societies, as well as in the history of ideas in social sciences, especially in the USA.Dr. Sevil Çakır earned her Ph.D. in Middle Eastern studies from Leiden University in the Netherlands. Her research interests revolve around forced migration, social and political movements, gender, intersectionality, political violence and the Middle East. She has authored publications that cover diverse topics such as activism in exile, Kurdish migrant women in Germany, feminist methods in social movements, and women’s movements in Iran and Turkey. From 2018 to 2023, she worked as a research associate and lecturer at the Center for Methods of Social Sciences at the University of Göttingen, where she taught graduate seminars and lectures on social movements, intersectionality, research methods, and feminist methodologies. Her postdoctoral research examines the social and political activism, intersectional solidarity, and transnational activities of racialized migrant women in Germany.

• Chapter 1. Introduction.- Chapter 2. Observations on the fragility of global migration.- Chapter 3. Immobilized Markets: Perception, experience, and response of migration brokers to state-induced immobility.- Chapter 4. Fragile as a class: Marxist scholars’ views of the ‘Gastarbeiter’ in West Germany in the global 1970s.- Chapter 5. Contingency and fragility in mass immigration to São Paulo coffee economy (1880-1930).- Chapter 6. The neocolonial securitisation of mobilities: (Re)producing (in)fragilities, (in)securities, and (im)mobilities.- Chapter 7. Citizenship, local history and immigrant fragility: Reactions to Venezuelans, Northeasterners and Haitians in Brazil.- Chapter 8. Negotiating the citizenship-regime: Fragility and the example of sanctuary cities in the U.S.- Chapter 9. Intersectional solidarities in resisting intersectional fragilities: Kurdish migrant women’s activism in Germany.- Chapter 10. Family figurations becoming fragile in forced migration processes.

Johannes Becker is a research fellow at the Leibniz-Zentrum Moderner Orient (ZMO), Berlin, Germany. His research revolves around the relationship between biographies, history and space, especially in relation to cities, migration and family in the Middle East. He is the principal investigator of the research project “Migrant arrival contexts in transregional comparison” and co-convener of the scientific network “Qualitative social research and transregional theory-building in the context of global sociology(ies)”, both funded by the German Research Foundation (DFG). 2023-2027 he is the President of the RC38 “Biography and Society” in the International Sociological Association (ISA).Mathias Bös is a Professor of Sociological Theory at the Institute of Sociology, Leibniz University Hannover, Germany. He received his doctorate from Johann Wolfgang Goethe-University Frankfurt am Main, he habilitated at Ruprecht-Karls-University Heidelberg and held a professorship at Philipps-University Marburg. His main research interests are in the sociology of migration, race and ethnic relations, citizenship studies, global conflict dynamics, and cultural heritage in North Atlantic societies, as well as in the history of ideas in social sciences, especially in the USA.Dr. Sevil Çakır earned her Ph.D. in Middle Eastern studies from Leiden University in the Netherlands. Her research interests revolve around forced migration, social and political movements, gender, intersectionality, political violence and the Middle East. She has authored publications that cover diverse topics such as activism in exile, Kurdish migrant women in Germany, feminist methods in social movements, and women’s movements in Iran and Turkey. From 2018 to 2023, she worked as a research associate and lecturer at the Center for Methods of Social Sciences at the University of Göttingen, where she taught graduate seminars and lectures on social movements, intersectionality, research methods, and feminist methodologies. Her postdoctoral research examines the social and political activism, intersectional solidarity, and transnational activities of racialized migrant women in Germany.

• Chapter 1. Introduction.- Chapter 2. Observations on the fragility of global migration.- Chapter 3. Immobilized Markets: Perception, experience, and response of migration brokers to state-induced immobility.- Chapter 4. Fragile as a class: Marxist scholars’ views of the ‘Gastarbeiter’ in West Germany in the global 1970s.- Chapter 5. Contingency and fragility in mass immigration to São Paulo coffee economy (1880-1930).- Chapter 6. The neocolonial securitisation of mobilities: (Re)producing (in)fragilities, (in)securities, and (im)mobilities.- Chapter 7. Citizenship, local history and immigrant fragility: Reactions to Venezuelans, Northeasterners and Haitians in Brazil.- Chapter 8. Negotiating the citizenship-regime: Fragility and the example of sanctuary cities in the U.S.- Chapter 9. Intersectional solidarities in resisting intersectional fragilities: Kurdish migrant women’s activism in Germany.- Chapter 10. Family figurations becoming fragile in forced migration processes.