Jack and his hunters go to Ralph's camp to steal the fire because they believe they need it for their own safety and to cook their food. Additionally, Jack wants to assert his power and control over the group by taking something that is essential for their survival.
It's because they don't have Piggy's glasses with which to start the fire.
i don't know ask jack ralphs or Jason ralphs they'll know
he likes Jack at first but then hateshim when Jack becomes savage.
Jack and his hunters try two strategies. Jack first had a boulder from the top of castle rock sent crashing into the thicket with the intention of either killing Ralph or driving him out of hiding. When this failed Jack then lit a fire, hoping to smoke Ralph out of the thicket.
Maurice and Robert.
Ralph opposes Jack's violent ways. He also trying to stop the boys approaching Jack's view of the boys. Moreover, by hunting Ralph, Jack is trying to show who the real leader is and why everyone should follow him.
Ralph is angry
because he wants to be leader himself
Jack
In chapter 10: the Shell and the Glasses Jack informs his tribe, and I quote, "But tomorrow we'll hunt and when we've got meat we'll have a feast---" Bill then puts up his hand and asks, "What'll we use for lighting the fire?" Jack blushed but then informed his tribe that, "We'll take fire from the others." Eventually Jack did set out, with Roger and Maurice, to raid Ralph's camp, not for fire but for the means by which fire could be made, namely Piggy's glasses.
The hunters torture Sam and Eric until they agree to join Jack's tribe.
it was in a very bad conditions as jack had created his own tribe and was trying to sabotage ralphs tribe