Definitions
1.nounA person holding the stakes of bettors, with the responsibility of delivering the pot to the winner of the bet.
2.nounAn escrow agent or custodian.
3.nounA person filing an interpleader action, such as a garnishee or trustee, who acknowledges possession of property that is owed to one or more of several other claimants.
4.nounA person or organisation with a legitimate interest in a given situation, action or enterprise.