Someone who buys something and resells it at a price far above the initial cost.

Roget 799a: stock market, stock exchange, securities exchange; bourse, board; the big board, the New York Stock Exchange; the market, the open market; over-the-counter market; privately traded issues.    commodities exchange, futures exchange, futures market.    the pit, the floor.    ticker, stock ticker, quotation; stock index, market index, the Dow Jones Index, the Dow Industrials, the transportation index, utilities, the utilities index; the New York Stock Exchange index, the Nikkei index [Jap.Tr.]; the Financial Times index, the FTI [Brit.], the over-the-counter index, NASDAQ index.    [person or firm trading securities] broker, stockbroker, jobber, stock dealer, odd-lot dealer; specialist.    [person who buys or sells stocks] investor, speculator, operator; bull, buyer; bear, short seller; scalper, arbitrager^†, arbitrageur^†; stockholder, share-holder, stockholder of record; bond holder, coupon-clipper [Sarc.].    investment; speculation.    ... show more

Dutch: iemand die toegangskaarten meestal duur doorverkoopt
Polish: paskarz