harrier vs assaulter

harrier and assaulter both are nouns.

Word	Noun	Adjective	Verb	Adverb
harrier	Yes	No	No	No
assaulter	Yes	No	No	No

As nouns, assaulter is a hypernym of harrier; that is, assaulter is a word with a broader meaning than harrier:

Other hypernyms of harrier include aggressor, assailant, attacker.

harrier (noun)	assaulter (noun)
hawks that hunt over meadows and marshes and prey on small terrestrial animals	someone who attacks
a hound that resembles a foxhound but is smaller; used to hunt rabbits
a persistent attacker