nonresident

adj

1. (not-comparable)Not resident; not residing in the place in question.

   “a nonresident clergyman or proprietor of lands”

   “The Trump administration’s tactics are highly unusual, said Andrew O’Donohue, a nonresident scholar at the Carnegie Endowment for International Peace, who studies clashes between courts and elected leaders around the world.”

noun

1. One who is not a resident; an alien; a foreigner.
2. A person living in a country who is not a legal permanent resident of that country.