(n.) One who wins, or gains by success in competition, contest, or gaming.

activist ball of fire beaver big-time operator boast bustler busy bee catch champ champion cinch comer conquering hero conqueror conquistador defeater diamond doer eager beaver easy winner enthusiast find gem go-getter godsend good thing hero human dynamo hustler jewel live wire man of action man of deeds master militant natural new broom operator pancratiast pearl plum political activist powerhouse pride pride and joy prize runner-up shoo-in star subduer subjugator success sure bet sure success sure thing sure winner take-charge guy top dog treasure triumpher trophy trouvaille vanquisher victor wheeler-dealer windfall