Screwer is a slang term that refers to a person who has deceived or wronged someone in some way. There are numerous synonyms for this word that can be used in formal and informal contexts, such as betrayer, trickster, cheater, swindler, fraudster, deceiver, charlatan, and con artist. Each of these words conveys a different degree of deception, ranging from mild betrayal to outright fraudulence. Choosing the right synonym depends on the context and the severity of the wrong committed. By using appropriate synonyms for screwer, we can accurately convey the intention of the sentence and enhance the clarity of communication.