landsman vs habitant

landsman and habitant both are nouns.

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

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

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

landsman (noun)	habitant (noun)
an inexperienced sailor; a sailor on the first voyage	a person who inhabits a particular place
a person who lives and works on land