marcher vs habitant

marcher and habitant both are nouns.

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

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

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

marcher (noun)	habitant (noun)
fights on foot with small arms	a person who inhabits a particular place
walks with regular or stately step
an inhabitant of a border district