What is a synonym for "noncitizen"?

Common synonyms include: alien, foreigner, aliens, foreign, foreign national, foreign-born.

Noncitizen

noun

noun ·Rare ·Advanced level

Noun

1
Someone who is not a citizen.
"It can be very difficult to hire a noncitizen."
2
a person who comes from a foreign country; someone who does not owe allegiance to your country wordnet

"It can be very difficult to hire a noncitizen."

From non- + citizen.