An accomplice in a confidence game, esp one who makes the first contact with the victim; shill: became entangled with a bunco-steerer (1975+)
They'll think you an honorable man 'stead of a bunco-steerer.
In the result the "bunco-steerer" had promised to keep his eyes and ears alert for news of any one resembling Goldenburg.
Truly, are not Mrs. Eddys followers the very easiest easy marks that any bunco-steerer ever went up against!
The hold-up man—the card-sharp—the bunco-steerer—the get-rich-quick stock-broker fall "easy game" to the detective thus disguised.