Why didn't Justin say something's to Julian and the other boys in the book wonder?

Justin likely didn't say something to Julian and the other boys in the book "Wonder" because he was hesitant to speak out or confront them due to fear of retaliation or being ostracized. He may have also struggled with finding the right Words or felt overwhelmed by the situation. Additionally, Justin's internal conflicts and emotional journey may have hindered his ability to communicate effectively.