Définitions
1.NounA person who collects, transports, or distributes illicit money, especially for the purpose of bribery, extortion, or the making of other improper payments.
2.NounA caddy.
3.NounA staff assistant to a senior police officer (such as a Detective Sergeant for a Detective Inspector).
4.NounA secretary of (and keeper of equipment for) a Morris dancing side.
5.NounA bookmaker.
6.NounA tramp, hobo.
7.NounA travelling salesman.
8.NounAn officer assigned to travel with the president and carry the "nuclear football".
9.NounA prominent fundraiser for a political party or similar cause.
10.Noun↑ The Morris Tradition'Each club will have... a Bagman who acts as its secretary.'
11.Noun↑ 1873, John Camden Hotten, The Slang Dictionary