They are getting nightmares from the beast.
Ralph notices that the littleuns are dirty and unkempt, showing signs of neglect and disarray. He also observes that they are easily scared and struggle to make decisions on their own without adult supervision. Additionally, Ralph notices that the littleuns look up to him as a leader and seek reassurance and protection from him.
the huts hes building for the "littleuns" keep falling
In chapter 5 of "Lord of the Flies," Jack dismisses the littleuns' fear and believes they should not be worried about the beast. He asserts that there is no monster on the island and encourages them to join his tribe for protection and safety. Jack sees their fear as a tool to manipulate them into joining his group.
Jack used the beast to gain followers, the littleuns. He manipulated them through their fears to gain power over Ralph.
An 'un refers to the littleuns (the younger boys on the island). An 'un would be one of the littleuns.
The boy with the birthmark brings it up in chapter 2. The other "littleuns" urge him forward in the assembly, and he tells Ralph and Jack about the nightmare that he had.
Ralph is worried about the 'littluns' in "Lord of the Flies" because they are the youngest boys on the island and more vulnerable to the dangers and chaos that are unfolding. As the leader, Ralph feels responsible for their safety and well-being, especially since they are less able to fend for themselves compared to the older boys.
The littleuns in "Lord of the Flies" spend their time playing games such as mimicking adult behavior, swimming in the lagoon, and building sandcastles on the beach.
Jack has shouted, "Bollocks to the Rules"
The two reasons why the littleuns obey the call of the conch in "Lord of the Flies" are that it represents order and authority for them, and they have been conditioned to follow rules from their upbringing in society.
Ralph is worried about the littluns because they are the youngest boys on the island and are more vulnerable to the dangers and challenges of survival. He feels responsible for their safety and well-being in the absence of adult supervision. Additionally, the littluns are more prone to fear and may struggle to cope with the stress and uncertainty of their situation on the island.
The littleuns in "Lord of the Flies" are the younger boys on the island who are not part of the group of older boys. They often struggle with fear, nightmares, and homesickness, and are not as involved in the power struggles and savagery that consume the older boys.