чужестранный

From LSJ

ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do

Source

Russian > Greek

ἀλλότριος, ἀλλοδαπός, ἐπακτός, κάρβανος