LOST!

If you're not watching LOST, then you're missing the best show on TV. Ever. But don't start watching it now unless you watch all previous episodes first. Otherwise you'll be really lost, even more lost than the show's regular viewers. Hurry up and catch up though, because this is the second-to-last season. All will be revealed soon.
So, for fans of the show, I will present a few of my very own LOST theories, which may or may not be accurate.
1.) Jack's Dad - I predicted part of this one way back in the episode where Jack saw his dad on the island. Of course, then it just seemed like it was just his imagination and his dad was still dead. But not to me. Jack's father's coffin was on the airplane that crash-landed on the island, and Jack found the coffin on the island later on, empty. And then he sees his dad. So my prediction was that his Dad was alive, and in a position of power on the island. This prediction proved accurate. My prediction now: The island brought Jack's dad back to life. He had been there before. Now he's back there, guiding people on the island. He will eventually be reunited with his son (as he already reunited with his daughter), when Jack gets back to the island, but his position in the show is much more important than that. I mean, come on, all you have to do is look at his name. CHRISTIAN SHEPHARD. [Read: Shepherd]
2.) The feud between Benjamin Linus and Charles Whidmore - This appears to be an old feud over the island. Both characters have aspects of evil in them. Ben is manipulating, not to be trusted, and clearly out for himself. But the island surely would have killed him already if he was not alive for a reason... Also, there's a good chance he killed Sayid's girl in order to recruit Sayid to kill Whidmore's people for him. Hopefully Ben will prove to have some redeeming qualities. If not, he would most likely be killed by Desmond since he wants to kill Penny as revenge against Whidmore.
3.) John Locke - I said from the very beginning that Locke would be the JC figure here (Thanks, 10th grade English). Locke will die in order to save others. That much has now been revealed, by Richard and by Christian Shephard. But I also predict that the island will bring him back to life when he returns.
4.) Jacob - His identity remains a mystery, but he is supposedly the one in charge of the island. Perhaps he is a person, and perhaps a spirit. We do know that Christian Shephard speaks for him. Biblical allusions abound here. I predict more of these. I also predict that we will see Mr. Eko again.
5.) What will become of the island - I could be way off with the prediction or right on. But, again, this is something I've been saying from early on. The island presents a lot of unique medical opportunities. People can be healed, brought back to life, made to walk again, etc. It now seems that Richard even gained the ability to not age. This is in addition to the unique scientific properties of the island (in or out of space and time...). So my prediction here is that Christian Shephard (and, by association, Jacob too, and Locke will be instrumental in this, as will Jack eventually) is one who wants the island to be used to help people all over the world, especially those who are sick. Ben and Whidmore seem to want the island for themselves- to control, exploit, make profit perhaps. There are dark, evil forces at work on the island too. But in the end, Jacob will triumph, and the island will be used for the good of many people, rather than for only a select few, or for evil or personal gain.