Emigrant
Immigrant, Migrant
noun
If you shift the place you dwell, you’re someone that we call an emigrant, an immigrant, or a migrant. Welcome, friend!
You can use this word both for people who migrate between countries and those who migrate within the same country.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
国外移住者になるのは容易なことではない。
It’s not easy to be an international immigrant.