Alien to

a resident born in or belonging to another country who has not acquired citizenship by naturalization (distinguished from ).
a foreigner.
a person who has been estranged or excluded.
a creature from outer sp-ce; .
residing under a government or in a country other than that of one’s birth without having or obtaining the status of citizenship there.
belonging or relating to aliens:
alien property.
unlike one’s own; strange; not belonging to one:
alien speech.
adverse; hostile; opposed (usually followed by to or from):
ideas alien to modern thinking.
.
noun
a person owing allegiance to a country other than that in which he lives; foreigner
any being or thing foreign to the environment in which it now exists
(in science fiction) a being from another world, sometimes specifically an extraterrestrial
adjective
unnaturalized; foreign
having foreign allegiance: alien territory
unfamiliar; strange: an alien quality in a work of art
(postpositive) and foll by to. repugnant or opposed (to): war is alien to his philosophy
(in science fiction) of or from another world
verb
(transitive) (rare) to transfer (property, etc) to another
adj.

mid-14c., “strange, foreign,” from old french alien “alien, strange, foreign; an alien, stranger, foreigner,” from latin alienus “of or belonging to another, foreign, alien, strange,” also, as a noun, “a stranger, foreigner,” adjectival form of alius “(an)other” (see alias). meaning “not of the earth” first recorded 1920. an alien priory (c.1500) is one owing obedience to a mother abbey in a foreign country.
n.

“foreigner, citizen of a foreign land,” from alien (adj.). in the science fiction sense, from 1953.
alien
(ā’lē-ən)
introduced to a region deliberately or accidentally by humans. starlings, german c-ckroaches, and dandelions are species that are alien to north america but have become widely naturalized in the continent. compare endemic, indigenous.

a foreigner, or person born in another country, and therefore not ent-tled to the rights and privileges of the country where he resides. among the hebrews there were two cl-sses of aliens. (1.) those who were strangers generally, and who owned no landed property. (2.) strangers dwelling in another country without being naturalized (lev. 22:10; ps. 39:12). both of these cl-sses were to enjoy, under certain conditions, the same rights as other citizens (lev. 19:33, 34; deut. 10:19). they might be naturalized and permitted to enter into the congregation of the lord by submitting to circ-mcision and abandoning idolatry (deut. 23:3-8). this term is used (eph. 2:12) to denote persons who have no interest in christ.