metic vs foreigner

metic and foreigner both are nouns.

Word	Noun	Adjective	Verb	Adverb
metic	Yes	No	No	No
foreigner	Yes	No	No	No

As nouns, foreigner is a hypernym of metic; that is, foreigner is a word with a broader meaning than metic:

metic: an alien who paid a fee to reside in an ancient Greek city
foreigner: a person who comes from a foreign country; someone who does not owe allegiance to your country

Other hypernyms of metic include alien, noncitizen, outlander.

metic (noun)	foreigner (noun)
an alien who paid a fee to reside in an ancient Greek city	a person who comes from a foreign country; someone who does not owe allegiance to your country
	someone who is excluded from or is not a member of a group