adjective
Living outside of one's own country.
noun
One who lives outside one's own country, especially temporarily for a profession or education.
One who has been banished from one's own country.
verb
(transitive) To banish; to drive or force (a person) from his own country; to make an exile of.
(intransitive) To withdraw from one’s native country.
(intransitive) To renounce the rights and liabilities of citizenship where one is born and become a citizen of another country.