sneaksman

plural sneaksmen

1. obsoleteA thief who operates by stealth.

   1 more example

   The “Cadgers,” again, are to the class of cheats what the “Sneaksmen” are to the thieves, the lowest of all, being the least distinguished for those characteristics which mark the other members of the same body. As the “Sneaksmen” are the least daring and expert of all the thieves, so are the “Cadgers” the least intellectual and cunning of all the cheats.

   1851, Henry Mayhew, London Labour and the London Poor, published 1861