erario
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
Spanish > Greek
αἰράριον, αἰράριος, γαζοφυλάκιον, θησαυροφυλάκιον, κειμηλιάρχιον, κειμηλιοφυλάκιον, κορβανᾶς, ῥισκοφυλάκιον, ταμιεῖον, χρηματοφυλάκιον