when we first saw "Jacob" in season 3 it was only a flash and he had curly grayish hair but the jacob that we saw in season 5 was clean shaven and had blonde hair so who was the fake jacob i mean Ben was surprised that John even heard a voice he crapped himself i think the person was an unlucky other who failed in one of his missions like the mission spying on Charles widmore and the other got beaten thats a possiblity he came back to the island and was lead over the ash to the cabin beaten senseless and is now non responcive thats why he said "Help Me" thats just my theory comment on what u think of it

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