Prowler

(n.) One that prowls.

Thesaurus Entries

body snatcher, booster, chicken thief, con man, crook, den of thieves, embezzler, filcher, ganef, ghoul, grafter, grave robber, jewel thief, land pirate, land shark, land-grabber, larcener, larcenist, lifter, peculator, petty thief, pilferer, poacher, purloiner, robber, scrounger, shoplifter, sneak thief, stealer, swindler, thief, white-collar thief