Lexical Definition

‎παιδαγωγός‎ paidagōgós (pahee-dag-o-gos') guardian ^G:N-M
from ‎παῖς‎ and a reduplicated form of ‎ἄγω‎

instructor, schoolmaster.

• a boy-leader, i.e. a servant whose office it was to take the children to school
• (by implication, (figuratively) a tutor ("pædagogue"))

Abbott-Smith

* 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.†

Abbott-Smith References

Liddell-Scott-Jones

παιδαγωγός-ός, ὁ,

={παιδὸς ἀγωγός}, slave who went with a boy from home to school and back again, [Refs 5th c.BC+]; with διδάσκαλος, [Refs 5th c.BC+]; of Phoenix, as the π. of Achilles, [Refs 5th c.BC+]; Fabius is called the π. of Hannibal, because he always followed him about, [Refs 1st c.AD+] has guided us until attainment of faith in Christ, [NT]: generally, leader, δημοκρατίας, τυραννίδος, [Refs 1st c.AD+]

_{LSJ Scripture Refs: Gal.3.24}