detribalize
verb
(UK usually detribalise) uk
/ˌdiːˈtraɪ.bəl.aɪz/ us
/ˌdiːˈtraɪ.bəl.aɪz/During the 1920s, the federal government intensified its efforts to detribalize and assimilate American Indians.
The urbanization of Africans has been condemned on the ground that it "detribalizes" them.