Jacob (yes, another one…I am sorry)
I am not really great with theories. But I hae this hunch. A little tingle that is saying that all of our Losties have had some kind of contact with him, maybe when they were younger, like an imaginary friend or smoething that has helped shape who they are and paved the way for them to come to ‘the island’. Kind of like how Christian got a lot of people on the 815 flight. Maybe Jacob is God on a holiday (you know like in Dogma, but is beat up and goes into a coma and can’t get of his earthly form completely, so he has to build up a little strength a time to reach out by astral projection or possesses people to reach out to the key people who he knows can and will help and in exchange for their help their journey redeems them and they are now worthy to enter His kingdom). I don’t know…It’s just something that popped into my head and kind of makes sense, to me anyway. Let me know what you think.