security guard, n.
a guard who keeps watch
<noun.person> freq. cnt.: 1 freq. cnt.: 1
security guard watcher watchman
lexical pointers
derivationally related form
semantic pointers
member holonym
hyponym
bank guard
fire watcher
picket, sentinel, sentry, scout, lookout, lookout man, watch, spotter
night watchman
patroller
portwatcher, port watcher
hypernym