Seeker

    I can't decide whether J.K. Rowling named the position of Seeker in Quidditch for symbolic reasons or just to dexcribe what the player does in the imaginary game. Or perhaps whether she made up the game and the position just to be able to make Harry a Seeker. Or if it's all just a coincidence.
    (For non Harry Potter people, if there are any of those left, Quidditch is a wizard's sport played in the air on broomsticks. Like soccer except that there are magical balls called bludgers that try to get the players off their brooms. And one tiny winged ball that hides; the Seeker's job is to try to find and catch it, which scores scores many points (150), usually winning the game.)
    So "Seeker" is a reasonable description for the position, but "Hunter" would probably convey it better. Of course, I could look it up, but what would be the fun of that?