Ibn Jurayj ابن جريج · The Chapters on Charity

I heard Abu Umamah Al-Bahil say: “I heard the Messenger of Allah(ﷺ) say: “The guarantor is responsible and the debt must be repaid.' ”

the Prophet (ﷺ) borrowed thirty or forty thousand from him, when he fought at Hunain. When he came back he paid the loan, then the Prophet (ﷺ) said to him: 'May Allah (SWT) bless your family and your wealth for you. The reward for lending is repayment and words of paradise.”