(n.) One who promises or distributes public offices and their emoluments as the price of services to a party or its leaders.

body snatcher boodler booster chicken thief con man crook crooked politician den of thieves embezzler filcher ganef ghoul grave robber influence peddler jackleg politician jewel thief land pirate land shark land-grabber larcener larcenist lifter peculator petty thief pilferer poacher prowler purloiner robber scrounger shoplifter sneak thief spoilsman spoilsmonger stealer swindler thief white-collar thief