tout

Someone advertising for customers in an aggressive way.

"Be careful of the ticket touts outside the arena, they are famed for selling counterfeits."

A person, at a racecourse, who offers supposedly inside information on which horse is likely to win.

A spy for a smuggler, thief, or similar.

To flaunt, to publicize/publicise; to boast or brag; to promote.

"Mary has been touted as a potential succesor to the current COE."

To look upon or watch.

To spy out information about (a horse, a racing stable, etc.).