Simon represents religion and doesn't like Jack.
Jack represents savagery and one step to full savagery is to kill religion.
Jack hates Simon and wants to murder everyone.
Simon hates his life.
Ralph wants to join Jack's group.
Ralph starts to believe in Jack's religion
Ralph starts to believe he is becoming more like Jack.
Ralph hates Piggy.
The wild pigs
He wanted free ice cream
He hated how Ralph led
He couldn't stand Piggy anymore
He loved to kill people
The gradual path to full savagery
Jack's hatred of humans
Ralph's hatred of Piggy
All of the above
His need of food
His hatred of Ralph
The great one