Game participant (6)
I believe the answer is:
player
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">game participant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for player that I've seen before include "Contestant" , "Competitor; musician" , "Sportsman - instrumentalist" , "Gambler" , "Performer" .)