quaestor

noun

1. (historical)An Ancient Roman official responsible for public revenue and other financial affairs.

   “Decoratus was quæstor in A.D. 508.”

2. (historical)The Quaestor sacri palatii of the late Roman Empire and Byzantium; first generally a legislator, then judicial official, and eventually an honorary title by the 14th century.
3. (historical)In the Middle Ages, an officer who announced indulgences.