Synonyms of flagman

1 Syllable

spy, watch, guard, ward, scout

2 Syllables

watchman, ranger, patrol, spotter, picket, warden, sentry, watcher, watchmen, lookout, keeper

3 Syllables

observer, patrolman, curator, signalmen, signalman, custodian, sentinel

4 Syllables

policeman, caretaker, detective