participant

from WordNet (r) 3.0 (2006)

participant
    n 1: someone who takes part in an activity
    2: a person who participates in or is skilled at some game [syn:
       {player}, {participant}]

from The Collaborative International Dictionary of English v.0.48

Participant \Par*tic"i*pant\, a. [L. participans, p. pr. of
   participare: cf. F. participant. See {Participate}.]
   Sharing; participating; having a share or part. --Bacon.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Participant \Par*tic"i*pant\, n.
   A participator; a partaker.
   [1913 Webster]

         Participants in their . . . mysterious rites. --Bp.
                                                  Warburton.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

28 Moby Thesaurus words for "participant":
      a party to, accessory, accomplice, actor, aide, assistant,
      colleague, confrere, contributor, copartner, cotenant, engaged,
      fellow, helper, implicated, involved, partaker, partaking,
      participating, participative, participator, participatory, partner,
      party, prime mover, shareholder, sharer, sharing

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