Mzahr bin Aslm مظاهر بن أسلم · The Chapters on Charity

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.”