he is helping making a shelter
Ralph is helping to build shelters and trying to maintain order and civil behavior among the boys. He is also focusing on keeping the signal fire going in hopes of being rescued.
Built shelter.
Jack finds Ralph and Simon building shelters when he returns from the hunts.
raining and storming out
Ralph learns of Jack's plans for him through Samneric, who are forced to join Jack's tribe and spy on Ralph's group. Samneric bring Ralph news of Jack's intentions to hunt him down and kill him. This betrayal shows Ralph the extent of Jack's animosity towards him.
In "Lord of the Flies," William Golding compares Ralph to a democratic leader who values order and civilization, while he compares Jack to a dictator who represents savagery and primal instincts. Ralph symbolizes reason and morality, while Jack embodies chaos and a lust for power.
he finds them bulding shelter
Ralph allows Jack to be in charge of the choir because they are all part of the same group of British schoolboys, and he wants to maintain order and organization within the group. Jack's experience as head chorister in school may have also influenced Ralph's decision to assign him a leadership role.
Simon sees the island as a place of beauty and peace, while Ralph focuses on practical matters of survival and rescue. Jack views the island as an opportunity for power and control. Simon's perspective is more connected to nature and spirituality, while Ralph and Jack are influenced by their desires for leadership and dominance.
Jack and his choir were at the top of the mountain when Ralph spotted the smoke from the ship. They were supposed to be tending the fire, which they let go out while they were hunting.
It was Jack's job to maintain the fire, but he was hunting instead. Ralph is mad because while Jack was hunting the fire went out and a ship went by. If Jack had maintained the fire they might have been rescued.
Ralph and Jack's respect for each other is shown through their initial cooperation in establishing order and leadership on the island in "Lord of the Flies." However, as the story progresses, their respect deteriorates due to power struggles and conflicting ideologies. Ralph respects Jack's hunting abilities, while Jack admires Ralph's leadership qualities.
Ralph didn't directly kill Simon, but he didn't stop Jack from doing it.