expatriate vs foreigner

expatriate

noun
  • One who lives outside one's own country. 

  • One who has been banished from one's own country. 

verb
  • To withdraw from one’s native country. 

  • To banish; to drive or force (a person) from his own country; to make an exile of. 

  • To renounce the rights and liabilities of citizenship where one is born and become a citizen of another country. 

adj
  • Living outside of one's own country. 

foreigner

noun
  • A person from a foreign country. 

  • A private job run by an employee at a trade factory rather than going through the business. 

How often have the words expatriate and foreigner occurred in a corpus of books? (source: Google Ngram Viewer )