They are not educated, they come from a poor family, and they are more than likely abused.
Answer:
Proctor believes that Abigail accused Elizabeth of witchcraft because Abigail wanted revenge on Proctor for rejecting her. When Elizabeth says to Proctor: "The judge sits in your heart judging you", it means Proctor: carries the knowledge of his own guilt in his heart.
She drinks the potion because she has been told by Friar Lawrence that it’ll help her get out of her arranged marriage to Paris. He basically persuades her into drinking it
