prepositor
/prɪˈpɒzɪtə/(also praepositor)
noun
1A prefect or monitor at various English public schools. Compare praepostor.
2The master, director, or manager (of a house, etc.); the head of a monastic house. Compare prepositus rare.
Origin
Early 16th century; earliest use found in William Horman (1457–1535), schoolmaster and grammarian. From classical Latin praepositus prepositus + -or.