Novice, apprentice, master, mentor. Student examples will vary, but should follow the model.
Example : Driving a car
S1 - take a class, have someone teach you about the parts of a car, traffic laws etc.
S2 - practice driving with parent/teacher - learners permit
S3 - drive on own, accident free, follow all traffic laws - No tickets or accidents
S4 - teach someone else how to drive