Mangosouthu Gatsha (ˌmæŋɡəʊˈsuːtuː ˈɡætʃə), known as Chief Buthelezi. born 1928, Zulu leader, chief minister of the KwaZulu territory of South Africa from 1970 until its abolition in 1994; founder of the Inkatha movement and advocate of Zulu autonomy; minister of home affairs (1994–2004)