European vs dweller

European and dweller both are nouns.

Word	Noun	Adjective	Verb	Adverb
European	Yes	Yes	No	No
dweller	Yes	No	No	No

As nouns, dweller is a hypernym of European; that is, dweller is a word with a broader meaning than European:

Other hypernyms of European include denizen, habitant, indweller, inhabitant.

European (noun)	dweller (noun)
a native or inhabitant of Europe	a person who inhabits a particular place

European (adjective)	dweller (adjective)
of or relating to or characteristic of Europe or the people of Europe