a person who buys and sells things as a job small/independent/local traders bond/currency traders Being a sole trader (= a person who runs a business on their own) is a risky venture. See related entries: Economy, ProfessionsExtra examples You can set up in business as a sole trader, in partnership or as a limited company. small market traders Being a sole trader is a risky venture. Many of the small local traders have been forced to close. Numerous risks are taken every day by currency traders.