expatriate
     n : voluntarily absent from home or country [syn: {exile}]
     v 1: expel from a country; "The poet was exiled because he signed
          a letter protesting the government's actions" [syn: {deport},
           {exile}] [ant: {repatriate}]
     2: move away from one's native country and adopt a new
        residence abroad
Source: WordNet® 2.0