Tā shì wǒmen sùshè de shìzhǎng, fùzé guǎnlǐ rìcháng shìwù.
He is our dormitory captain, responsible for managing daily affairs.
Tips
usage
室长 is common in Chinese schools and universities, where one student in a dormitory room (宿舍) is designated as room leader to coordinate between residents and administration.
