What is another word for infiltrator?

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Contexts One who infiltrates an organization or territory A person who informs on another person or group to the authorities Someone who intrudes on the property of others, typically to engage in illegal activities Noun ▲ One who infiltrates an organization or territory agent informant informer interloper intruder mole operative plant spy subversive entrist entryist gatecrasher intelligencer provocateur spook secret agent undercover agent double agent undercover inside man counterspy asset insider inside agent inside woman espionage agent emissary intelligence agent detective scout snoop nark snooper beagle sleeper person in the know foreign agent fifth columnist secret service agent one of the in-crowd field agent cloak-and-dagger man private eye undercover man whistleblower inside information lurcher Mata Hari G-man whistle blower sleuth control handler investigator enemy agent industrial spy secret service gumshoe shamus sherlock hawkshaw sleuthhound PI peeper eavesdropper shadow cop Pinkerton tail analyst flatfoot prosecutor tec bloodhound DC eye DI DS DCI constable copper jack bizzy bull reporter shoofly fed sergeant roper slewfoot fink private investigator private detective enquiry agent private dick sleuth-hound CID officer detective constable detective superintendent detective sergeant detective inspector P. I. detective chief inspector detective chief superintendent plainclothes officer police officer Sherlock Holmes bird dog more ❯ “Cyber protection systems should use covert identification programs to discover information about an infiltrator.” Noun ▲ A person who informs on another person or group to the authorities tattletale squealer nark betrayer grass informer canary collaborator fink informant Judas plant rat snitch source stoolie traitor turncoat fizgig mole snake sneak tattler telltale accuser clype leaker peacher snitcher snout songbird spy supergrass talebearer tout beagle bigmouth blab blabber blabbermouth crier dog insider intelligencer notifier polly quidnunc ratfink singer squeaker tabby taleteller tipster troublemaker weasel whistleblower whistler karen stool pigeon whistle-blower double agent double-crosser tale teller rat fink deep throat fat mouth fifth columnist snake in the grass fork tongue announcer adviser nose narc quisling backstabber defector renegade deserter apostate deceiver recreant double-dealer serpent back-stabber two-timer fraternizer colluder conspirator Benedict Arnold stooly finger scab stooge pimp shelf messenger treasonist sympathizerUS renegado sympathiserUK shill decoy crypto Brutus agent provocateur police informer pigeon spokesperson connection skunk slink toad tergiversator rascal snoop whisperer supplier third ear expert seceder snake in grass rebel backslider renegate collaborationist agent enemy sympathizer more ❯ Noun ▲ Someone who intrudes on the property of others, typically to engage in illegal activities intruder invader trespasser stalker encroacher squatter prowler snooper violator gatecrasher gate-crasher meddler busybody intermeddler interferer buttinski buttinsky kibitzer kibbitzer snoop obtruder alien stranger outsider immigrant foreigner interloper nosey parker nosy parker unwanted visitor uninvited guest unwanted person persona non grata infringer poacher offender transgressor unwelcome visitor Find more words! 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What is the adjective for infiltrator? What is the noun for infiltrator? Translations for infiltrator Use our Synonym Finder Nearby Words infiltrators infiltratory infimum in financial difficulties in fine in fine feather infiltrations infiltration of infiltration infiltrating infiltrates infiltrated 11-letter Words Starting With i in inf infi infil infilt infiltr infiltra infiltrat infiltrato