Final answer:
Julian is unkind to August in this chapter by making mean comments about his appearance and spreading rumors about him. This shows that Julian is a bully and lacks empathy and kindness towards others.
Step-by-step explanation:
In the chapter, Julian is unkind to August by making mean comments about his appearance, calling him names, and excluding him from social activities. For example, Julian mocks August's facial deformities and spreads rumors about him. This shows that Julian is a bully and lacks empathy and kindness towards others.