ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
free: P. and V. ἐλεύθερος.
allowed to go free: P. and V. ἀνειμένος.
voluntary: P. and V. ἑκούσιος, αὐθαίρετος.