The Fault in Our Stars

Main Characters and Their Development

• Hazel Grace Lancaster: The main protagonist of the book, a sixteen-year-old girl suffering from thyroid cancer with metastasis to her lungs. Hazel is intelligent, sarcastic, and loves to read. She goes through deep emotional and physical challenges but finds solace in her relationship with Augustus Waters. Throughout the book, she learns to accept her illness and appreciate moments of happiness despite the inevitability of death.
• Augustus Waters: A young man who meets Hazel at a cancer support group. He lost his leg to osteosarcoma but maintains optimism and cheerfulness. Augustus falls in love with Hazel and helps her see the world from a different perspective. His character evolves from a carefree and confident guy to someone who confronts his own fears and vulnerabilities.
• Isaac: A friend of Augustus who also attends the support group. He suffers from eye cancer and eventually loses his sight. Isaac goes through intense emotional experiences related to his loss of vision and a breakup with his girlfriend. His friendship with Hazel and Augustus helps him cope with difficulties and find support.
• Peter Van Houten: The author of "An Imperial Affliction," Hazel's favorite book. He lives in Amsterdam and turns out to be a disappointing and cynical person when Hazel and Augustus meet him. His character shows that not all idols meet expectations and helps Hazel realize that answers to life's questions must be sought within herself.