John Proctor is a main character in the story The Crucible he was the guy who had an a affair with Abigail WIlliams. John Proctor was hung in Act IV because he was accused of being a witch.
Abigail accused John Proctor and other individuals in Salem. She slept with Proctor and she was pretending to be in a coma. She also pretended to be under a curse. In Act IV,she ran a way with some money.
He is a whickcraft expert and in Act III he defended John Proctor. But he couldnt save him in Act IV.