Bismillahirrahmanirrahim
Abu Hurairah Radi allahu anhu se rivayat hai ki Rasoollallah Sallallahu alaihi wasallam ne farmaya agar kisi shaksh ne kisi dusrey ki izzat (reputation) ya koi aur cheez par zulm kiya ho to us sey aaj hi us din ke aaney se pahle maaf karwa le jis din na deenar hongey na dirham bulki uska koi neik amal hoga to us zulm ke badley wohi le liya jayega aur agar koi neik amal uskey paas nahi hoga to us mazlum ki buraeeyan us par daal di jayegi.
Sahih Bukhari, Vol 3, 2449
-------------------------------------------
Narrated Abu Huraira Radiallahu anhu : Allah's Apostle Sallallahu Alaihi Wasallam said, "Whoever has oppressed another person concerning his reputation or anything else, he should beg him to forgive him before the Day of Resurrection when there will be no money (to compensate for wrong deeds), but if he has good deeds, those good deeds will be taken from him according to his oppression which he has done, and if he has no good deeds, the sins of the oppressed person will be loaded on him."
Sahih Bukhari, Vol 3, Book 43, No. 629: