A person or thing that persecutes or harasses.(noun)
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Use "persecutor" in a sentence
"But true religion is rare, and the best modern security against the persecutor is the secular power."
"I trembled lest this Barnard, if so I should still continue to call her persecutor, should again discover and again molest her."
"This, said he, (and honoured me by kissing my hand,) is engaging, indeed; if I may hope, that my Pamela's gentle inclination for her persecutor was the strongest motive to her return; and I so much value a voluntary love in the person I would wish for my wife, that I would have even prudence and interest hardly named in comparison with it: And can you return me sincerely the honest compliment I now make you?"