Bailiff

A person to whom authority, care, guardianship or jurisdiction is intrusted; an overseer or superintendent; a keeper; a sheriff's officer; a land steward; the chief magistrate of a town.

In old English law

Bailiffs errant: bailiffs, anciently so called because they went about in the execution of their offica Bailiffs of franchises: officers who performed the duties of sheriffs within privileged jurisdictions within which formerly the sheriff could not act. Bailiffs of hundreds: officers appointed by sheriffs to act in hundreds, to collect fines, to summon juries, to attend the judges, to execute writs, etc. Bailiff's of manors: stewards or agents, appointed by the lord (generally by an authority under seal), to superintend the manor, collect fines and quit rentg, and do other acts for the lord's interest Anciently, a distinct officer from the steward, and immediately subordinate to him.