[The Conversation Africa] TB Joshua was a world famous Nigerian televangelist, faith healer and Pentecostal pastor who established The Synagogue Church of All Nations. Three years after his death a BBC investigation alleges Joshua raped, tortured and abused several of his followers over a period of 20 years. There are allegations of child abuse at his Lagos compound and that he faked his miracles. Nimi Wariboko is a leading theologian and social ethics expert who wrote the book Nigerian Pentecostalism. We asked him about the