repatriate

Short definition from Wiktionary

Noun

1. 1
   A person who has returned to their country of origin or whose original citizenship has been restored.

Verb

1. 1
   To restore (a person) to their own country.
2. 2
   To return or restore (artworks, museum exhibits, etc.) to their country of origin.
3. 3
   To convert a foreign currency into the currency of one's own country.