pothunter

noun

1. A person who hunts animals for food (for the pot) rather than as sport.
2. (broadly)A person who competes solely to win prizes.
3. A person who seeks artifacts for their personal collection or to sell without regard to their cultural importance.

   “But hundreds, perhaps thousands of artifacts have been taken by amateur pothunters, whose activities can disturb the soil and ruin the chance of serious research.”