A mayor: the chief magistrate of a town, particularly (Scotland) the head of a burgh or (historical) the former chiefs of various towns in France, Flanders, or (by extension) other Continental European countries.
The head of various other ecclesiastical bodies, even (rare, obsolete) muezzins.
A dean: the head of a cathedral chapter.
A steward or seneschal: a medieval agent given management of a feudal estate or charged with collecting fees; (obsolete, sometimes as ~ of Paradise or ~ of Heaven) a title of the archangel Michael.
The head of various colleges and universities.
Any manager or overseer in a medieval or early modern context.
The minister of the chief Protestant church of a town or region in Germany, the Low Countries, and Scandinavia.
A constable: a medieval or early modern official charged with arresting, holding, and punishing criminals.
An officer of the military police, particularly provost marshal or provost sergeant.
An assistant fencing master.
A senior deputy administrator; a vice-president of academic affairs.
A prior: an abbot's second-in-command.
A government official having different duties depending on the country; also, a magistrate, especially one of the Chief Magistrates of Geneva, Switzerland.
An agent of a corporation, or of any body of people engaged in a business enterprise; specifically, in the University of Cambridge, a member of the senate appointed to carry out specific duties.