jobber

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that buys merchandise from manufacturers and sells it to retailers.
• noun One that works by the job or by the contract.
• noun Chiefly British A middleman in the exchange of stocks and securities among brokers.

from The Century Dictionary.

• noun One who or that which jobs, pecks, or stabs: used in composition: as, tree-jobber or wood-jobber (a woodpecker); nut-jobber (a nuthatch).
• noun One who does anything by the job; one who does small jobs or chance work.
• noun One who lets out or furnishes horses or carriages by the week or month; a job-master.
• noun One who purchases goods in bulk and resells them to smaller dealers; a middleman.
• noun On the London stock-exchange, a dealer in stocks and bonds on his own account; a stock-exchange operator to whom brokers sell, and from whom they buy, it being; contrary to stock-exchange etiquette for brokers to negotiate with each other; a middleman or intermediary acting between brokers.
• noun One who renders the discharge of a trust subservient to private ends; especially, an intriguer who turns public work to his own or his friends' advantage; hence, one who performs low or dirty work in office, politics, or intrigue.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who works by the job.
• noun engraving A dealer in the public stocks or funds; a stockjobber.
• noun One who buys goods from importers, wholesalers, or manufacturers, and sells to retailers.
• noun One who turns official or public business to private advantage; hence, one who performs low or mercenary work in office, politics, or intrigue.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun archaic One who works by the job.
• noun business An intermediary who buys and sells merchandise.
• noun US, business A type of intermediary in the apparel industry, as well as others, who buys excess merchandise from brand owners and manufacturers, and sells to retailers at prices that are 20-70% below wholesale. Because of the negative connotations of the word "jobber," they are now referred to by the more politically-correct term - "Off-price specialists."
• noun UK, finance A market maker on the stock exchange
• noun obsolete, UK, finance A promoter or broker of stocks for investment.
• noun professional wrestling slang a performer whose primary role is to lose to established talent.
• noun A thing (often used in a vague way to refer to something the name of which one cannot recall).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun someone who buys large quantities of goods and resells to merchants rather than to the ultimate customers