Narrated Aisha: Allah's Apostle said, "The wala is for the one who gives the silver (pays the price) and does the favor (of manumission after paying the price).
Hadith ReferenceSahih Bukhari / The Book of Al-Farad (The Laws of Inheritance) / Hadith: 6760
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة