Andrea Friedli is a Teaching and Research Fellow in Social Anthropology at the University of Fribourg, Switzerland. Aline Gohard-Radenkovic is an Em. Associate Professor at the University of Fribourg (Switzerland), specialized in Anthropology of language and migration policies, and in Sociology of Learning and Teaching foreign languages François Ruegg is an Em. Associate Professor in Social Anthropology of the University of Fribourg, Switzerland and at the University of Bucharest, Romania.