Leif Manger Leif Manger is a Professor in the Department of Social Anthropology at the University of Bergen. His recent publications include, Diasporas Within and Without Africa: Dynamism, Hetereogeneity, Variation (co-edited with Munzoul A.M. Asal, Uppsala 2006). He has published works on trade, communal labor, and socio-cultural processes of Arabization and Islamization. Read More Read Less