Yoruba Religion — Ìṣẹ̀ṣẹ — An ethnographic introduction to Yoruba religion — Ìṣẹ̀ṣẹ, the living tradition of the Yoruba people of West Africa: the theology of Olodumare and the Orishas, the divination science of Ifa, the masquerade tradition of Egungun, the sacred city of Ile-Ife, and a global diaspora that has shaped the spiritual life of the Americas through Candomblé, Lucumí, and Vodou.