24 Aug 2025 Cultural Heritage Ethnohistory The Osu Institution in Igbo Society: Outcasts, Priestly Functions, and the Atlantic Slave Trade Alusi shrine with its priest (seated) and the osu (‘ritual slave’), Orsu, West Isuama Igbo. Photograph by G. I. Jones, 1930s. Jones Archive, Southern Illinois University In different Igbo societies, Osu…
