Spectators at a boxing match may not mock one of the contestants.

RS 4:81
§ 81. Open betting or quoting of odds; insulting or abusive remarks
There shall be no open betting or quoting of odds in the club or arena where the exhibition or contest is being held. Whoever does so shall be ejected.

There shall be no insulting or abusive remarks made by seconds, managers, or spectators and directed at the contestants. The officers of the club, and the secretary of the commission, shall at once eject persons who violate this or any other provision of this chapter.

Acts 1974, No. 553, § 1.