vandal vs undoer

vandal and undoer both are nouns.

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

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

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

vandal (noun)	undoer (noun)
someone who willfully destroys or defaces property	a person who destroys or ruins or lays waste to
	a person who unfastens or unwraps or opens
	a seducer who ruins a woman