guesser

he's a natural guesser, always taking risks.

the game rewards a good guesser with points.

she's a keen guesser and loves riddles.

don't be a guesser; do your research first.

he was a lucky guesser in the lottery.

she's a skilled guesser at poker games.

the detective was a clever guesser, solving the case.

he's a notorious guesser, often wrong but persistent.

she's a cautious guesser, preferring to analyze.

he's a hopeless guesser, never getting it right.

the child is a playful guesser, enjoying the challenge.