trader
noun [ C ] uk/ˈtreɪ.dər/ us/ˈtreɪ.dɚ/
C2 商人，经商者，交易商
a person who buys and sells things
a wool/sugar trader 毛料商／糖商
His father is a market trader, selling fruit and vegetables. 他的父亲在市场做生意，贩卖水果和蔬菜。
（股票、货币的）交易人
a person who buys and sells company shares or money
a stock/currency/futures trader 股票／货币／期货交易人
He is a well-known trader on the floor of the New York Stock Exchange. 他是纽约证券交易所有名的交易人。