noun (n)

• the act of expelling a person from their native land(noun.act)

  Example:
  The expatriation of wealthy farmers.
  

  Synonym:
  deportation, exile, transportation
  

  source: wordnet30
• migration from a place (especially migration from your native country in order to settle in another)(noun.act)

  Synonym:
  emigration, out-migration
  

  source: wordnet30
• The act of banishing, or the state of banishment; especially, the forsaking of one's own country with a renunciation of allegiance.(noun)

  source: webster1913