Why are only some of the boys fully clothed
Piggy attempts to maintain the reason and order that they inherited from being British while on the island. He is arguably the most mature boy on the island. The rest of the boys are more open to letting themselves go and becoming more savage. Piggy attempts to preserve some civility.
The other boys in Lord of the Flies don't like Piggy.
When Piggy and Ralph propose to go over to Jack's side of the island to request his specs back Piggy asks Ralph if it is safe, then if he is safe. This is hugely ironic as they are obviously not safe. Piggy's death occurs in their visit to Jack's side of the island.
cause piggy is a bossy perfectionist pig.
Piggy suggests making a sundial so that the boys on the island can keep track of time.
Piggy suggests using the conch shell to call for the other boys who are stranded on the island.
hes being sent there because he commented some crimes
His death represents the loss of innocence to the boys, and the end of rationality on the island.