Looking for people who one owes wealth
Q: I have wronged many people in the past, most of whom I can't track down to fix what I did to them and seek their forgiveness. I have heard that Allah does not forgive the sins in which I have wronged others until they forgive me. I am really scared of the punishment of Allah, and I really regret everything I have done. After repenting for my sins, what should I do to make up for all those wrongs, and save myself from the punishment of those sins?