master-at-arms
- n the senior petty officer; responsible for discipline aboard ship
- His shipmates are a sorry, ragtag lot, full of hate and fear for the sadistic master-at-arms, Mister Claggart.
- The one exception is the master-at-arms, John Claggart, a figure of Mephistophelean evil, who, hating all goodness, cannot but hate Billy Budd and plot his destruction.
- The narrator, Ruby Drew, is "sort of dean and master-at-arms in the House of Trainees" in the Church Zealous.