Abdul Rahman Ibrahim ibn Sori was a West African prince who was captured and sold as a slave. He was brought to the US and lived in slavery for 40 years before he was released by a Presidential order on the request of the Sultan of Morocco.
He was born in 1762 in Guinea, was ambushed and captured at the age of 26 and brought to a cotton plantation in Mississippi. He had previous knowledge of growing cotton and due to that he rose to a position of authority in the plantation.