(87) باب بَيْعِ الْوَلاَءِ
It was narrated that Ibn 'Umar said:
"The Messenger of Allah forbade selling loyalty or giving it away." (Sahih)]
Reference: Sunan an-Nasa'i 4659
In-book reference: Book 44, Hadith 211
English translation: Vol. 5, Book 44, Hadith 4663