His name was Saleh and his title was Shuqraan and he was known by this appellation. Hazrat Saleh Shuqraan (ra) was a freed Abyssinian slave of Hazrat Abdullah bin Auf (ra). The Holy Prophet (sa) chose him for his services and purchased him from Hazrat Abdullah (ra). According to certain other narrations, Hazrat Abdur Rahman bin Auf (ra) handed him over without recompense.
(Usdul Ghaaba, Vol. 2, p.392, Shuqraan, Darul-Fikr, 2003, Beirut)