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.
They are getting nightmares from the beast.
the huts hes building for the "littleuns" keep falling
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.
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.
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.
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.
Ralph notices that when they are rolling in the rocks, there is no drop-off at the end of the platform, and it instead curves upwards. This strange anomaly makes Ralph question the nature of the platform and its boundaries.
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.
The strange thing that Ralph notices when the boy are playing around with the rolling rocks is smoke. What he is seeing is not real though.
in the beginning of the novel, all the littleuns believe that the beast is like a snake living in the trees. One of the littleuns i think who has a mullberry coloured birthmark on his face (he 'disappears' after the fire incident) brings it up in one of the assemblies that a snake-thing came and tried to eat him.