Historical version 4 of Tutors
Every undergraduate student in Oxford works under the supervision of a tutor. The tutorial system is considered to be one of the advantages of an Oxford education. A tutor maybe a fellow or member of the same college as a student, but often students have a different tutors for different areas of study possibly from other colleges.
Brewer, Derek. "The Tutor: A Portrait." In C. S. Lewis at the :Breakfast Table and Other Reminiscences, new ed., ed. James T. :Como, 41-67. San Diego: Harcourt Brace, Harvest, 1992.