TutorCruncher's user base is made up of administrators, tutors, clients, students, and affiliates. Each role is given different permissions and has a different relationship with the scheduling, accounting, and messaging systems within TutorCruncher. Administrators maintain the system and its users. Tutors provide services to students and clients. Affiliates receive commission on lessons. A user can have multiple roles on the system, depending on their association with your company. A user is identified by their email address, therefore any role that is created with that email address will be linked to that user.