trader noun

ADJ. large China is now one of the largest traders in the world. | small, small-scale small market traders | local | foreign, international | prosperous, wealthy | market, street | itinerant | sole You can set up in business as a sole trader, in partnership or as a limited company. | independent, private | retail | cattle, motor, slave, etc. | commodity, currency, options

You can also check other dicts: trader (English, 中文解释 ), wordnet sense, Collins Definition