(n) :
somebody involved in the production, refinement or delivery of oil; such as an oil field worker or executive, or the owner of an oil well; a retailer who sells vegetableoils, and food preserved in oil
(n) :
somebody involved in the production, refinement or delivery of oil; such as an oil field worker or executive, or the owner of an oil well; a retailer who sells vegetableoils, and food preserved in oil