Olaudah Equiano, known for most of his life as Gustavus Vassa, was a writer and abolitionist. According to his memoir, he was from the village of Essaka in modern southern Nigeria. Enslaved as a child in West Africa, he was shipped to the Caribbean and sold to a Royal Navy officer. He was sold twice more before purchasing his freedom in 1766.

The Igbo people are an ethnic group in Nigeria. They are primarily found in Abia, Anambra, Ebonyi, Enugu, and Imo States. A sizable Igbo population is also found in Delta and Rivers States. Igbo is also considered a very minority tribe in states such as Benue, Kogi, Akwa Ibom and Edo. Ethnic Igbo populations are found in Cameroon, Gabon, and Equatorial Guinea, as migrants as well as outside Africa. There has been much speculation about the origins of the Igbo people, which are largely unknown. Geographically, the Igbo homeland is divided into two unequal sections by the Niger River—an eastern and a western section. The Igbo people are one of the largest ethnic groups in Africa.