Gullible sorts are people who are easily deceived or taken advantage of. The term can be broken down into three words: DUPES, SAPS, and naifs. DUPES are people who are tricked or deceived, SAPS are people who are easily taken advantage of, and naifs are people who are naive and inexperienced. All three terms refer to people who are easily manipulated or taken advantage of due to their lack of knowledge or experience.