illegal alien

:  not according to or authorized by law :  unlawful, illicit

:  not sanctioned by official rules (as of a game)

:  belonging or relating to another person, place, or thing :  strange

:  relating, belonging, or owing allegiance to another country or government :  foreign

:  exotic

:  a person of another family, race, or nation

:  a foreign-born resident who has not been naturalized and is still a subject or citizen of a foreign country

:  a foreign-born citizen

:  alienate, estrange

:  to transfer the title of (property)