gameplay riichi Oya 親 (おや) Definition The dealer (East player). Wins and pays 1.5x the amount of non-dealers. Related Terms Dealer 親 The player with the East seat who starts the hand. Dealer wins and pays 50% more than non-dealers, and retains the dealer position if they win or if the hand ends in draw with dealer in tenpai. Back to Glossary Beginner's Guide Yaku Reference