Jack doesn't care about other people, thinks that he is better than everyone else, and thinks that he is always right and loves violence and bloodshed. After Jack leaves and starts his own tribe,
Ralph and Piggy talk about what they think is causing the lack of order and the conflict on the islan. Piggy starts: "I dunno, Ralph. I expect it's him. "Jack?" "Jack." A taboo was evolving round that word too. Ralph nodded solemnly. "Yes, I suppose it must be"(140).
This dialogue between Piggy and Ralph shows that both of them blame Jack for causing all the chaos and savagery on the island. Another thing that shows how uncivilized Jack has become is how his tribe reacts when they realizes that without Piggy's glasses, they have no way of lighting a fire to cook meat with. When asked what he is going to do about it, Jack answers, "We'll raid them and take fire" (136). Jack wants to do the savage thing and steal the fire, as opposed to the civilized method of asking for some, which Ralph would have given them. We know that Jack has bloodlust, but he is no longer content with just killing pigs, and you can see this towards the very end of the book, when the twins (Sam and Eric) are