In the book, Ender’s Game, the main character, Ender, only kills others in self-defense to protect himself and the rest of humanity. Ender has been protecting himself ever since he wore the monitor. He had to protect himself in school by beating up the leader of a gang. Not only did schoolmates hate him for having the monitor but so did his brother, Peter. Peter had a monitor that he wore also but he did not have it for as long as Ender did and he will always hold a grudge against Ender for this even once the monitor was removed. The only person that tried to protect Ender was Valentine. But, even she could not protect Ender from Peter. The only thing the protected Ender was when Colonel Graff took him to Battle School.
“I didn't want to kill them all. I didn't want to kill anybody! I'm not a killer! You didn't want me, you