| If your talking about the ghost in the Chicken kicking area then you need to talk to him and he will tell you to get the treasure for his wife. Go to the other beach in Oakvale and go near the pier on the side closest to the Tavern.. if you have the spade walk around in that area until the shovel symbol comes up down on the command buttons ... press it and you should find some gold then go down the beach and talk to his widow and give her the gold and then go return and talk to the ghost then to the competition owner (the one who gave you the quest) then the quest should be done.... | 
how to do the quest for the lost soul In Oakville beach 
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