persecutor
Definitions
A person who treats others with hostility and ill-treatment, especially because of their race, political or religious beliefs.
Someone who persistently harasses, annoys, or oppresses another individual.
Examples
The historical records reveal how the tyrant acted as a relentless persecutor of those who dared to challenge his authority.
She eventually found the strength to confront her former persecutor and demand an apology for years of mistreatment.
Synonyms
oppressor tormentor tyrant harasser abuser victimizer perpetrator
Antonyms
protector defender guardian supporter ally champion benefactor