Tutors are private teachers, normally contracted and paid to help students work on academic subjects, augment classroom teaching, help in preparation for examinations. Tutors usually can tutor several individuals at once. For some this is a full time job. Colleges, universities, classified ads can direct you to a good tutor. There are some volunteer tutors but most often you have to pay for their services by the hour.
Mentors are similar to private teachers.
They are wise and faithful guides or counselors, often retired or semi-retired benevolent and successful executives or experts. They volunteer their time and energy to guide and advise other, usually younger, individuals who have similar career interests to the mentor. The mentor takes his charge under his wing, shares experiences, works through problems, is available to answer questions and helps his charge reach his goals. Mentoring can be compared to an apprenticeship program. Usually a mentor works with only one individual or a long period of time.