Piggy is significant in the novel because he is one of the central characters. In addition, he symbolizes intelligence because he takes up responsibility and he gives Ralph advice. Piggy is also a Promethean figure---his intelligence leads him to be the voice of sanity and individual rights. Piggy also stands for good sense, for responsibility and thinking ahead.
The only "man" in the novel "Lord of the Flies" was a dead pilot who landed on the mountain top.
In "Lord of the Flies," the character named Piggy finds the conch.
The pilot
Nothing. There's nothing he CAN do. Their dead and gone.
Piggy finds the spectacles in Lord of the Flies. He uses them to start the signal fire and later relies on them to see clearly.
He climbs the mountain after an epileptic seizure to seek the truth. He does finds out that the 'beast' is actually just a dead parachutist.
There are no adults present in "Lord of the Flies" apart from the dead body of the pilot. The upbringing of the boys is not responsible for their actions, the problem lies deeper than that, with the primal presence of the beast within.
He unties the parachute from the pilot. Than the pilot is blown by the wind into the surf. Then, as is Simon's body, it is carried out to sea by the tides, but not before it again terrifies the boys.
page 152 when Simon crawls out of the forest to tell them that the "beast" is actually just a dead pilot. then they kill him
At the end of "Lord of the Flies," the boys discover the dead body of a fighter pilot whose parachute becomes entangled in the trees on the island. The boys mistake the body for the mythical "beast" they have been terrified of, deepening their fear and paranoia.
Chapter Seven ends with Ralph, Jack and Roger climbing to the top of the mountain, where they see the dead body of the pilot but in the darkness they mistake it for the beast.
Simon.