Pakistan, July 16 -- In many parts of Africa, politics is not only a contest of policies and popularity but also a spiritual war fueled by a deep belief in witchcraft. In Uganda, aspiring leaders like Wilson Watira say rivals often avoid physical contact out of fear that a handshake might carry a curse. Watira, who is contesting a parliamentary seat, recalls one incident where an opponent folded a paper to greet him rather than touch his hand.

While public rallies feature flashy cars and cash handouts, the private side of campaigning often involves visits to traditional healers and spiritual rituals. Many politicians, despite practicing Christianity or Islam, secretly turn to witch doctors to seek success. Rituals can be as extreme as an...