"But his is a good island."'
'The assembly was lifted towards safety by his words. They liked and now respected him.'
Says what everyone wants to hear. That and his physical appearance are the reasons the boys feel safe with him as their leader.
The opposite is true of Piggy, who is both the voice of reason and physically unattractive; he is therefore ostracised from the group.
People are easily swayed by what they want to hear.