Abu Hurairah (May Allah be pleased with him) said:
The Messenger of Allah ﷺ said, "It is an act of oppression on the part of a person to procrastinate in fulfilling his obligation; if the repayment of a debt due to any of you is undertaken by a rich person, you should agree to the substitution."

[Al-Bukhari and Muslim].

وعن أبي هريرة رضي الله عنه أن رسول الله ﷺ قال: "مطل الغني ظلم وإذا أُتبع أحدكم على مليء فليتبع" ((متفق عليه. معنى "أتبع": أحيل)).