n. 剥头皮的人, 做投机倒卖的人, 雕刻刀

[法] 投机倒把者

[ noun ]
someone who buys something and resells it at a price far above the initial cost
<noun.person>
he got theater tickets through a scalper

Scalper \Scalper\ (sk[a^]lp"[~e]r), n.
1. One who, or that which, scalps.

2. (Surg.) 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]