image breaker vs undoer

image breaker and undoer both are nouns.

Word	Noun	Adjective	Verb	Adverb
image breaker	Yes	No	No	No
undoer	Yes	No	No	No

As nouns, undoer is a hypernym of image breaker; that is, undoer is a word with a broader meaning than image breaker:

Other hypernyms of image breaker include destroyer, ruiner, uprooter, waster.

image breaker (noun)	undoer (noun)
a destroyer of images used in religious worship	a person who destroys or ruins or lays waste to
	a person who unfastens or unwraps or opens
	a seducer who ruins a woman