Also see definition of "Tutor" in Word Study
TUTOR [isbe]
TUTOR - tu'-ter: In modern English an "instructor," more particularly a private instructor, but the word properly means a "guardian." Hence its use in Gal 4:2 the King James Version for epitropos, here "guardian" (so the Revised Version (British and American)), and 1 Cor 4:15; Gal 3:24,25 the Revised Version (British and American) for paidagogos.See SCHOOLMASTER.
Also see definition of "Tutor" in Word Study