(1) An entity other than the commit initiator that takes part in the commit process.
(2) A person who has the capability to participate.
(3) A member of a portal place who can visit and use the place. By default, all portal users are participants in public places. See also place designer, place manager.
(4) In identity management, an individual, a role, a group, or a JavaScript script that has the authority to respond to a request that is part of a workflow.