What is the name of the South African political party does Chief Buthelezi lead?

Chief Mangosuthu Buthelezi was the leader of the Inkatha Freedom Party (IFP), a South African political party he founded in 1975. The party has historically represented the Zulu ethnic group and has been involved in South Africa's political landscape, particularly during the apartheid era. Under Buthelezi's leadership, the IFP has been known for its advocacy of federalism and traditional leadership.