Participant
Part of speech: noun
Definition: one who participates
Example sentence: I'm a participant in the doctrine of constructive ambiguity.
Player
Part of speech: adjective
Definition: of something that "plays" itself, like certain automated devices
Part of speech: noun
Definition: One who plays any game.An actor in a dramatic play.One who plays on a musical instrument.One who is playful, given to games and other amusement; one without serious aims; an idler; a trifler.A gamer; a gamester.A gambler.A person who plays the field rather than having a long-term sexual relationship.An electronic device that plays various audio and video media, such as CD player.A software application that plays various audio and video formats.
Example sentence: The glory is being happy. The glory is not winning here or winning there. The glory is enjoying practicing, enjoy every day, enjoying to work hard, trying to be a better player than before.