Emigre
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
One who has departed their native land, often as a
refugee
.
noun.
An
emigrant
, one who departs their native land to become an
immigrant
in another.
Word Usage
"Trying to change the political culture of Mexico as a single emigre is a total waste of energy that will drive you mad."
suggests
émigré