What is meant by the term "dupe"?

The term "dupe" refers to a person who is easily deceived or tricked. This is rooted in the original use of the word, which comes from the verb "dupe," meaning to deceive or to fool someone. A "dupe" typically lacks awareness or discernment, making them susceptible to manipulation or fraud. Understanding this term emphasizes the nature of gullibility, where individuals may accept misleading information without questioning it, often leading to being taken advantage of. This clearly aligns with the definition provided in the correct answer.