harrier vs assailant

harrier and assailant both are nouns.

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

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

Other hypernyms of harrier include aggressor, assaulter, attacker.

harrier (noun)	assailant (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