Rebecca Nurse is a highly respected and upright member of the Salem community. She is known for her kindness, piety, and healing abilities. Despite her positive reputation, she becomes one of the innocent victims caught up in the hysteria of the witch trials. She is falsely accused of witchcraft by Abigail Williams and other girls, leading to her arrest and eventual execution.
While Rebecca Nurse's character serves as a symbol of innocence and goodness in the face of injustice, she is not specifically connected to the concept of "crucible". The term "crucible" is more broadly associated with the overall themes and atmosphere of the play, representing the intense social and psychological pressures that shape the characters' lives and actions.