Northerner vs habitant

Northerner and habitant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Northerner	Yes	No	No	No
habitant	Yes	No	No	No

As nouns, habitant is a hypernym of Northerner; that is, habitant is a word with a broader meaning than Northerner:

Other hypernyms of Northerner include denizen, dweller, indweller, inhabitant.

Northerner (noun)	habitant (noun)
an inhabitant of the North	a person who inhabits a particular place
an American who lives in the North (especially during the American Civil War)