dormitory supervisor; housemaster; resident advisor
A person responsible for supervising a dormitory or boarding house, often in a school or company setting. The role may include discipline, guidance, and daily management.
The dormitory supervisor is also in charge of nighttime patrols.
If you consult the housemaster, you can learn about the living rules.
Compound of 寮 (dormitory) and 監 (supervise, oversee). The reading りょうかん follows standard on'yomi.