Uys, 69, was on the cutting edge of criticism of South Africa’s white rulers, who more or less tolerated his pointed humor during an era of conflict and censorship. In 1981, when apartheid South Africa was edgy and fearful, he launched a one-man show called “Adapt or Dye” at Johannesburg’s Market Theatre, a crucible for criticism of apartheid despite official curbs on expression. Uys has kept the character current — Evita is now a member of South Africa’s ruling African National Congress, which won re-election this year but has lost luster because of concerns about corruption and mismanagement. [...] she’s got to be so real that the women recognize the woman and the men forget the man.