Final answer:
Julian's unkind behavior towards August by calling him a "freak" showcases his bullying nature and insensitivity, indicating a lack of empathy in his character.
Step-by-step explanation:
Julian's treatment of August involves making fun of his appearance by calling him a "freak." This action displays Julian's tendency to bully and showcases a lack of sensitivity towards others. This behavior reveals key aspects of Julian's character, indicating that he may struggle with issues such as empathy and kindness. Furthermore, these actions can seriously impact August's feelings and self-esteem, highlighting the negative effects of unkindness in social interactions among students.