bottleholder

bottleholder is a   Noun

Definition:

[1] One who attends a pugilist in a prize fight; -- so called from the bottle of water of which he has charge.

[2] One who assists or supports another in a contest; an abettor; a backer. [Colloq.] Lord Palmerston considered himself the bottleholder of oppressed states. The London Times.

Synonyms: