A retainer or member of the household troops of an (esp. Scandinavian) king or noble. Also: (in late Anglo-Saxon and Norman England) a man of…

sergeant-at-arms n. (Also serjeant-at-arms, †sergeant of arms.) †(a) In early use gen.: an armed officer in the service of a lord (cf. sense 1); spec.…

In various specialist and technical senses, and uses in particular contexts. As a component of various titles of office in which sergeant is now more…

A member of a bodyguard or retinue; a faithful follower; one of a group or team of attendants, servants, or assistants. Also in extended use.