Synonym of castellan: the lord of a castle; a caretaker entrusted to oversee a castle for its lord.
A Grand Lodge Officer who guards the inner door during a meeting of the Grand Lodge
A functionary of lower rank than a herald, but discharging similar duties; called also pursuivant at arms; an attendant of the heralds, e.g. in the College of Arms.
A warrant officer.
A royal messenger, (particularly) one with the authority to execute warrants.