Jack orders the boys to kill Piggy and Ralf.
When Jack sees Ralph and Piggy approach the fire he orders his group to do the wild hunting dance.
Ralph
Samneric
He suggests that him and ralph join jacks group.
Well, when Ralph is feeling sad about being left out of Jacks group, Piggy comforts him in a way only a man can.
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
Ralph believes that Jack saw a ship
The two reasons of why jacks group is more exciting than Ralph is because jacks tribe hunt and have a feast and have fun.
Piggy & Ralph
Piggy was carrying the conch so he couldn't carry a spear when Ralph's group went to visit Jack's group.
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.