Arthur Miller uses of Individual vs. Society, he focuses on how each characters Reputation impacts them and how they act. First, Parris, in fear of loosing his reputation, says "his eyes going wide: No-no. There be no unnatural cause here." Referring to how Betty is ill due to witchcraft. Parris is worried about his reputation and fears this claim would tarnish it.
Hale says, "Believe me, Mr. Nurse, if Rebecca Nurse be tainted, then nothing's left to stop the whole green world from burning." Hale is going off of Rebecca's Reputation as an amazing person and says that if a person of Mrs. Nurse's Reputation could corrupt, then all other could too. She has a pure Reputation that Hale is referring too.
Proctor says, "God help me, I lusted, and there is a promise in such sweat." Proctor announces to the court that he had an affair on his wife, throwing a way his reputation to save the life of his wife. He even says how he knew that if he mentioned the affair it would damaging to his image but he would have to disprove Abigail.