Ask at the forum if you have an Ancient or Modern Greek query!
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
ἀλλοδαπός, ἄγλωσσος, ἄγλωττος, ἔπηλυς, ἐπηλύτης, ἐπήλυτος, ξεῖνος, ξένος, ὀθνεῖος