An idiot, dolt, or dullard is a mentally deficient person, or someone who acts in a self-defeating or significantly counterproductive way.
Dennis Rodman was useful to Kim Jon Un, North Korea’s communist dictator, to further the cause of his country. Joseph Stalin had a term for such westerners who are so easily duped, “useful idiots”. The Lord was clear that we perish for a lack of biblical knowledge. We must not look up to celebrities just because they are famous.