savage vs attacker

savage and attacker both are nouns.

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

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

Other hypernyms of savage include aggressor, assailant, assaulter.

savage (noun)	attacker (noun)
a member of an uncivilized people	someone who attacks
a cruelly rapacious person

savage (adjective)	attacker (adjective)
(of persons or their actions) able or disposed to inflict pain or suffering
without civilizing influences
marked by extreme and violent energy
wild and menacing

savage (verb)	attacker (verb)
criticize harshly or violently
attack brutally and fiercely