Speculator

[Sarah]

One who speculates. Specifically: (a) An observer; acontemplator; hence, a spy; a watcher. [Obs.] Sir T. Browne.(b) One who forms theories; a theorist.A speculator who had dared to affirm that the human soul is by naturemortal. Macaulay.(c) (Com.)

[Sarah]

person who invests in a risky venture, in the hope of making a large profit.

[Dorothey Allen]

Speculator in Rugby League. A ball thrown in hope, which can result in an opposition intercept try.

[Justin Bieber]

A person who invests in stocks, property, or other ventures in the hope of making a profit.