oilmonger
/ˈɔɪlˌmɒŋɡər/Definitions
1. noun
A person who buys or sells oil, especially in a large quantity.
“The oilmonger invested heavily in the oil market, hoping to make a profit.”
2. verb
To buy or sell oil, especially in a large quantity.
“The company was accused of oilmongering, manipulating the market to their advantage.”