spotter Synonyms

search parties observation post locater flatfoot gumshoe signaller security guard watchman watcher watch warner vedette tracer spy sleuthhound lookout man dick watch person watchtower espionage agent pickets TEC security officer secret service search party reconnoiterer private eye identifier flagger double agent banksman night watchman sleuth signalman sentry guard flecker finder eye espier discoverer detector descrier blobber birder beholder beagle appropriator aimer locator lookout