Abbott-Smith Manual Greek Lexicon
παιδαγωγός (G3807)
3 * παιδαγωγός , -οῦ, ὁ ( παῖς , ἄγω ), a guide, guardian, trainer of boys, a tutor (disting. from διδάσκαλος , Xen., Lac. , 3, 1), usually a trusty slave: opp. to πατήρ , I Co 4:15 ; fig., of the Law, π. εἰς Χριστόν , Ga 3:24 , 25 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain