λύπης ἰατρός ἐστιν ὁ χρηστὸς φίλος → a true friend is grief's physician, a worthy friend is a physician to your pain
ἀνεπιτίμητος, ἀκόλαστος, ἀτίτης, ἀτίτας, νήτιτος, ἀτιμώρητος, ἀθῷος