Read the passage.

Margo loved being at boarding school, but the prefect for her dorm was strict, and Margo had to keep her room tidy all the time. The one time Margo did not make her bed, she received a warning.

Which option best defines the word prefect?
Responses

hall monitor
hall monitor
captain of a sports team
captain of a sports team
custodial staff
custodial staff
authority figure at a private school