pothunter someone who hunts for food (not for sport)
qualifier a contestant who meets certain requirements and so qualifies to take part in the next stage of competition; "the tournament was won by a late qualifier"
starter a culture containing yeast or bacteria that is used to start the process of fermentation or souring in making butter or cheese or dough; "to make sourdough you need a starter"
A contestant is someone who takes part in a competition, usually a professional competition or a game show on television. The participants competing against each other have to go through rounds. The winners may have to compete in later stages or rounds until there is just one winner.
OmegaWiki Dictionary
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contestant A person who takes part in a contest or competition.