Tormenter
Pronunciation : Tor*ment"er
Part of Speech : n.
Definition : 1. One who, or that which, torments; a tormentor.
2. An executioner. [Obs.] Chaucer.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder