Mateus Cruz Maciel de Carvalho, Ph.D (2017), Sao Paulo State University (UNESP). He is Professor of Linguistics at the Federal Institute of Education, Science and Technology of São Paulo. He has published a book on Deni language phonology and papers on Deni grammar.Iwona Kraska-Szlenk, Ph.D. (1995), University of Illinois at Urbana-Champaign, is Professor at the University of Warsaw. She has authored books on general linguistics and Swahili and edited multi-authored volumes, including Body Part Terms in Conceptualization and Language Usage (Benjamins, 2020).