Former president of the A.N.C. and South Africa, Jacob Zuma, waves to supporters after casting his ballot in Nkandla, Kwazulu Natal, South Africa, Wednesday, May 29, 2024.

The party of South Africa’s ex-president Jacob Zuma on Monday filed a treason complaint against AfriForum, a group championing the white Afrikaner minority, after Donald Trump attacked the country’s ...