iconoclast vs undoer

iconoclast and undoer both are nouns.

Word	Noun	Adjective	Verb	Adverb
iconoclast	Yes	No	No	No
undoer	Yes	No	No	No

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

Other hypernyms of iconoclast include destroyer, ruiner, uprooter, waster.

iconoclast (noun)	undoer (noun)
someone who attacks cherished ideas or traditional institutions	a person who destroys or ruins or lays waste to
a destroyer of images used in religious worship	a person who unfastens or unwraps or opens
	a seducer who ruins a woman