When negotiating the contract, I trusted him because he's a plain dealer who never hides fees or conditions.

The art dealer negotiated a fair price for the painting.

The art dealers negotiated fiercely over the provenance of the painting.

The undercover officer posed as a buyer to catch the drug-dealer.

Local drug-dealers were arrested near the subway station last night.

The committee was wary of the double dealers who promised support but later sabotaged the plan.

The committee discovered that the seemingly loyal advisor was a double dealer who had been leaking documents to both sides.

scrap dealers arrived at dawn to collect the abandoned appliances behind the warehouse.

The scrap dealer negotiated a fair price for the rusted car parts he had collected.

The plain dealers who frequented the town square didn't sugarcoat their opinions.