"Francis Piol Bol Bok (born February 1979), a Dinka tribesman and native of South Sudan, was a slave for ten years but is now an abolitionist and author living in the United States. On May 15, 1986, he was captured and enslaved at the age of seven during an Arab militia raid on the village of Nyamlel in South Sudan during the Second Sudanese Civil War."@en . . "former Sudanese slave, abolitionist" . . . "Francis Bok"@en . . . "1979Z"^^ . . "Bok, Francis Piol Bol"@en .