Narrated `Aisha: that she intended to buy Barira (a slave girl) and her masters stipulated that they would have her Wala'. When `Aisha mentioned that to the Prophet ; he said, "Buy her, for the Wala' is for the one who manumits."
Hadith ReferenceSahih Bukhari / The Book of The Expiation of Unfulfilled Oaths / Hadith: 6717
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة