αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)
servant, slave: P. and V. δοῦλος, ὁ; see servant.
hireling: use adj., Ar. and P. μισθωτός, μισθοφόρος.