Ralph believes that Jack saw a ship
The two boys who left Ralph's group to join Jack's group in "Lord of the Flies" are Sam and Eric, also known as Samneric. They were lured by the promise of hunting and adventure in Jack's group, which appealed to their primal instincts and need for excitement.
Well, when Ralph is feeling sad about being left out of Jacks group, Piggy comforts him in a way only a man can.
Ralph
He suggests that him and ralph join jacks group.
Ralph
In the book The Lord of the Flies by chapter 9 Ralph, Piggy, and the twins are the people who have not joined Jack's group. After the twins are captured and Piggy is killed that leaves Ralph as the one person who is not a part of Jack's tribe.
Ralph :d
As "boys with sticks."
Sam and Eric tell Jack that Ralph said he was going to hide near by so they go looking for him there.
Kill him.
Samneric
Piggy & Ralph