capitalist - a person who invests capital in a business (especially a large business)

accountant, comptroller, controller - someone who maintains and audits business accounts

account executive, account representative, customer's broker, customer's man, registered representative - someone in charge of a client's account for an advertising agency or brokerage or other service business

broker, agent, factor - a businessman who buys or sells for another in exchange for a commission

businessman, man of affairs - a person engaged in commercial or industrial business (especially an owner or executive)

businesswoman - a female businessperson

enterpriser, entrepreneur - someone who organizes a business venture and assumes the risk for it

exporter - a businessperson who transports goods abroad (for sale)

importer - someone whose business involves importing goods from outside (especially from a foreign country)

merchandiser, merchant - a businessperson engaged in retail trade

shipper - someone who ships goods

provider, supplier - someone whose business is to supply a particular service or commodity