Jack warned his tribe about a number of things. Firstly that if they went hunting they should avoid the mountain and leave the heads of their kills as an offering to the beast. He also warned them to be on their guard as 'the others' (Ralph's group) might try to sneak in, to 'spoil things.' After consideration Jack added that the beast might also try to come in.
Jack warned his tribe about the presence of the beast on the island, which he believed to be a threat to their safety. He instilled fear in the group by suggesting that the beast could harm them and was responsible for mysterious occurrences on the island.
Sam and Eric betray Ralph by joining Jack's tribe and refuse to help him. They warn Ralph that Jack's tribe plans to hunt him, demonstrating their loyalty to the new tribe. Sam and Eric become caught in the middle of the power struggle between Ralph and Jack.
Jack and his tribe.
Jack tells his tribe that they will hunt, and give a feast and invite the others who have not joined his tribe, to come eat and join them
Jack and Roger have sharpened a stick at both ends to hunt and kill Ralph. Their plan is to hunt Ralph like they did with the sow, to terrify him and flush him out. Samneric warn Ralph that they are being hunted and that Jack's tribe will sharpen a stick at both ends and have Roger guard the way in.
Ralph learns of Jack's plans for him in Chapter 12 when he overhears Samneric's conversation about Jack's intention to hunt him like a pig. This revelation prompts Ralph to flee for his life through the jungle while being hunted by Jack and his tribe.
Jack plans to be more harsh as he dictates his tribe.
it was in a very bad conditions as jack had created his own tribe and was trying to sabotage ralphs tribe
the monks
They warn Ralph that Jack plans to hunt him the next day and that Roger has "sharpened a stick at both ends."
Kaagan came from the word "kaag." It means "to inform," "to secure," "to warn" or "secrecy."
The other biguns are drawn to Jack's tribe because Jack offers them power, freedom from rules, and the opportunity to act on their primal instincts without consequences. Jack's tribe represents a break from the civilization and order imposed by Ralph, allowing the boys to indulge in their savage desires.
Jack and his tribe make their headquarters at the Castle Rock.