Who is the narrator and main character of John Green’s The Fault in Our Stars?

Hazel Grace Lancaster is the narrator and main character of John Green’s The Fault in Our Stars. Hazel is a teenager living with thyroid cancer that has spread to her lungs, and she carries an oxygen tank to help her breathe.

The novel follows Hazel’s life after her mother encourages her to attend a cancer support group. There she meets Augustus Waters, a former basketball player who is in remission from osteosarcoma. Their relationship develops through conversations about illness, identity, literature, and mortality.

The title comes from Shakespeare’s Julius Caesar, in which Cassius says, “The fault, dear Brutus, is not in our stars, but in ourselves.” John Green published the novel in 2012 after drawing on experiences connected with a young cancer patient he met while working as a hospital chaplain. The book became a major bestseller and was adapted into a 2014 film.