It was narrated from Abu Hurairah that the Messenger of Allah said: "There are three who are promised the help of Allah: The Mukatab who wants to buy his freedom, the one who gets married seeking to keep himself chaste, and the Mujahid who fights in the cause of Allah."
*Mukatab: the slave who has made a contract of manumission.
*Mukatab: the slave who has made a contract of manumission.
Sunan an-Nasa'i Book 26, Hadith 23