Jobbing :: "Jobbing (a.) Doing chance work or add jobs; as, a jobbing carpenter..
Jobbing :: "Jobbing (a.) Using opportunities of public service for private gain; as, a jobbing politician..
Stockjobbing :: Stockjobber (n.) One who speculates in stocks for gain; one whose occupation is to buy and sell stocks. In England a jobber acts as an intermediary between brokers.