Runs up to the treasure chest with you “help me get it on the boat!” After you helped him..He betrayed you by pushing you overboard

“HAHAHA! YOU PUNY BITCH THOUGHT MY CREW AND ME WOULD HELP YOU!? WE’RE GONNA BE RICH ALL THANKS TO YOUR DELUSIONAL MIND! YOU WERE TO WORRIED ABOUT YOU GETTING RICH THAT YOU COULDN’T EVEN OPEN YOUR EYES TO SEE THE BETRAYAL!~” He laughed and the ship sailed away into the distance, leaving you in the water a few feet from the island