trader
noun [ C ]
uk/ˈtreɪdər/ us FINANCE, STOCK MARKET US ( UK dealer)
a person or company that buys and sells shares, currencies, etc.:
It resulted from trading losses in derivatives by a single trader at the firm's Singapore office.
a bond/currency/stock trader
COMMERCE
a person or business that buys and sells goods:
Supermarkets have driven many small traders out of business.
See also
day trader
floor trader
foreign exchange trader
free trader
rogue trader
sole trader