Who overcame the mistreatments of others and how?

I just wanted 2 noe same major ppl in society and how they overcame the mistreatment of others. Plz dont generalize it for example: slaves over came adversity. Like give me a spcific person.|||millions of people have been mistreated by others, everyone a lot in their life have been mistreated by other people like maybe they were bullied, beat up, attacked etc.