There are many prospective roles for the instructor and many ways of telling them, but here are some of the most important:-
The tutor as specialization expert:-
One of the roles for the instructor is to increase self-study materials - Clarifying any misinterpretation and pointing learners to sources of information.
The tutor as trainer:-
The other main role is to act as trainer, adviser or analyst. These expressions may have single definitions but they also have a set in common. The trainer is responsible for helping the student to achieve their goals by encouraging , testing and providing positive feedback.
The tutor as assessor:-
Sometimes, the tutor also has to act as evaluator, check the student to ensure that he/she have achieved the learning objectives.