(100) باب مَطْلِ الْغَنِيِّ
It was narrated that Abu Hurairah said:
"The Messenger of Allah said: 'If one of you is referred to a rich man (to help repay a debt), he should accept that referral, and (wrongdoing) is when a rich man takes a long time to repay a debt."'
Reference: Sunan an-Nasa'i 4688
In-book reference: Book 44, Hadith 240
English translation: Vol. 5, Book 44, Hadith 4692