добровольно
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.
Russian > Greek
ἀκέλευστος, αὐθαιρέτως, αὐτοθελεί, ἐθελοντηδόν, ἐθελουσίως, ἑκουσίως, ἑκοντί, καθ' ἑκουσίαν, ἐξ ἑκουσίας
