Synonyms and related words :
Bow Street runner, FBI, FBI agent, G-man, Secret Service, Sherlock Holmes, T-man, agent, amanuensis, baggage agent, business agent, claim agent, clerk, commercial agent, commission agent, consignee, customer agent, detective, dupe, factor, fed, federal agent, freight agent, functionary, general agent, hotel detective, house detective, house dick, implement, inquiry agent, instrument, insurance agent, investigator, land agent, law agent, literary agent, loan agent, narc, news agent, official, operative, parliamentary agent, passenger agent, plainclothesman, police detective, press agent, private detective, private investigator, puppet, purchasing agent, real estate agent, revenuer, sales agent, secretary, sleuth, special agent, station agent, steward, store detective, theatrical agent, ticket agent, tool, travel agent, treasury agent, walking delegate,