Read the sentence. Raoul challenged Rachel to a round of chess, knowing that she would be a worthy opponent.

Based on the context clue in this sentence, what is the meaning of the word opponent?

defender
participant
competitor
expert

the answer is camped

the statement that identifies the central idea of "the salem and other witch trail hunts" is d. while witch hunts may feel like a rare occurrence, mike kubic proves that such   incidents are not as uncommon as we originally thought.

the author is trying to show that witch hunts come in various forms and are produced by the fear of what isn't understood or it's different.