Definition of persecutor in US English:

persecutor

noun

  • 1A person who persecutes someone, especially for their race or political or religious beliefs.

    ‘he is badly scarred by his treatment at the hands of his persecutors’
    ‘he became known as a persecutor of dissidents’
    1. 1.1 A person who harasses or annoys someone persistently.
      ‘a well-known curmudgeon and persecutor of buskers’

Pronunciation

persecutor

/ˈpərsəˌkjudər//ˈpərsəˌkyo͞odər/