wheeler-dealer[hwē′lər dē′lər, wē′-]
wheeler-dealer definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Slang a person who wheels and deals
wheeler-dealer definition by American Heritage Dictionary
One who advances one's own interests by canny, aggressive, or unscrupulous behavior.