Scalper
Scalper (skalp"ẽr) , noun
1.
One who, or that which, scalps.
2.
(Surgery) Same as Scalping iron, under Scalping.
3.
A broker who, dealing on his own account, tries to get a small and quick profit from slight fluctuations of the market. [Cant]
4.
A person who buys and sells the unused parts of railroad tickets. [Cant]
5.
A person who buys tickets for entertainment or sports events and sells them at a profit, often at a much higher price. Also, ticket scalper. [Cant]