epistates
/ɪˈpɪstətiːz/noun
An overseer, a superintendent; (Ancient Greek History ) an official having a supervisory role in the Athenian Council and Assembly.
Origin
Mid 17th century; earliest use found in Noah Biggs (fl. 1651), medical practitioner and social reformer. From (i) classical Latin epistatēs overseer, steward, supervisor.