yes sure he is.. he feels more comfortable and confidence talking after jack leaves the tribe..
Jack reacts scared, shocked.
Piggy ran away because he was scared of Jack and his hunters, who were becoming more aggressive and violent. Piggy feared for his safety, as he was aware of the escalating tensions and the potential danger posed by Jack and his group.
Jack took Piggy's glasses.
Jack and his followers steal piggy's glasses.
Roger and Maurice are the ones that attack Jack and Piggy because Jack wants Piggy's glasses.
piggy's glasses
After Jack leaves to go to Castle Rock, Piggy becomes more confident with himself, and starts to stand up for himself. This happens because Jack stole Piggy's glasses, and now he can no longer hide behind his disability of not being able to see.
Piggy
Piggy is fully aware that Ralph is the only thing that is preventing Jack from becoming chief. Piggy knows that if Jack does become chief all hope of rescue will disappear because Jack will only bother about hunting and the signal fire wil be forgotten. Piggy is also fearful for his own safety.
Jack initially dismisses Piggy and the influence he has on the group. He belittles Piggy's intelligence and continually undermines his authority in order to maintain control over the other boys on the island. Eventually, Jack's treatment of Piggy escalates into physical violence, culminating in Piggy's tragic death.
Jack orders the boys to kill Piggy and Ralf.
When Jack said he didn't hunt, Piggy mocked him by saying that Jack couldn't hunt as he was just a boss. Piggy implied that Jack was incompetent and only good at giving orders, not actually participating in the hunting.