tantalizer vs tormentor

tantalizer and tormentor both are nouns.

Word	Noun	Adjective	Verb	Adverb
tantalizer	Yes	No	No	No
tormentor	Yes	No	No	No

As nouns, tormentor is a hypernym of tantalizer; that is, tormentor is a word with a broader meaning than tantalizer:

tantalizer: someone who tantalizes; a tormentor who offers something desirable but keeps it just out of reach
tormentor: someone who torments

Other hypernyms of tantalizer include persecutor, tormenter.

tantalizer (noun)	tormentor (noun)
someone who tantalizes; a tormentor who offers something desirable but keeps it just out of reach	a flat at each side of the stage to prevent the audience from seeing into the wings
	someone who torments