iconoclast vs attacker

iconoclast and attacker both are nouns.

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

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

Other hypernyms of iconoclast include aggressor, assailant, assaulter.

iconoclast (noun)	attacker (noun)
someone who attacks cherished ideas or traditional institutions	someone who attacks
a destroyer of images used in religious worship