Here’s a definition of terms:
Resident Assistant (RA): This is a campus position in which some main objectives are to serve as a resource for residents, enforce school policy, address student issues and needs as required, serve as a liaison between school administration and students, and to serve as a role model for other students. RAs are generally responsible for one floor of a particular building. RAs serve in an on-duty rotation from Thursday through Saturdays.
Head Resident (HR): This is a campus position in which some main objectives are to serve as a resource for all residents in a particular hall, enforce school policy, address student issues that may go beyond the scope of a RA, communicate student issues and needs to the Assistant Director of Residence Life, serve in a supervisory role to a RA staff, and to serve in a position of advanced leadership on campus.
Please understand–this is not a comprehensive list, and a complete job description can be found here.