Dora Moono Nyambe — an influencer known for teaching hundreds of students, opening a school in Zambia and promoting her humanitarian efforts to millions of people on TikTok — has died. She was 32.

Her lower legs were amputated after she developed gangrene at age 7. Stigmatized and bullied at school in Lusaka, she eventually wound up at Chileshe, where she has found a far more welcoming ...