alien

a person who comes from a foreign country; someone who does not owe allegiance to your country

anyone who does not belong in the environment in which they are found

a form of life assumed to exist outside the Earth or its atmosphere

transfer property or ownership; "The will aliened the property to the heirs"

arouse hostility or indifference in where there had formerly been love, affection, or friendliness; "She alienated her friends when she became fanatically religious"

not contained in or deriving from the essential nature of something; "an economic theory alien to the spirit of capitalism"; "the mysticism so foreign to the French mind and temper"; "jealousy is foreign to her nature"

being or from or characteristic of another place or part of the world; "alien customs"; "exotic plants in a greenhouse"; "exotic cuisine"