ἔργοισι χρηστός, οὐ λόγοις ἔφυν μόνον → a friend in deeds, and not in words alone
cŏryphaeus: i, m., = κορυφαῖος,I a leader, chief, head: Epicureorum Zeno, Cic. N. D. 1, 21, 59.
(2) cŏrўphæus, ī, m. (κορυφαῖος), coryphée