Stable: Hear out the farmer, feed the sick Miltank 7 Oran Berries, and the Seal Case Giver, 4 north and 1 west of the exit, hands it over.
Farmhouse: Talk to the farmer, feed the stable's sick Miltank 7 Oran Berries, and the woman 5 tiles north and 3 east of the exit gives TM83.