adjective

Belonging to a foreign country or nation.

This is blundering on foreign soil in an alien culture which they fail to grasp and arrogantly underestimate and they will ultimately pay the price of their ignorance.

foreign,overseas,non-native,external,distant,remote

noun

A foreigner, especially one who is not a naturalized citizen of the country where they are living.

an illegal alien

foreigner,foreign national,non-native,immigrant,emigrant,émigré,incomer,newcomer,visitor,outsider,stranger