Posturer is a word that describes someone who affects an attitude or position that is not genuine. Synonyms for posturer include pretender, poser, show-off, faker, fraud, impostor, charlatan, and hypocrite. Each of these synonyms carries a slightly different connotation but all refer to someone who is not authentic in their behavior and intentions. A pretender is someone who claims to be something they are not, a poser is someone who is putting on a false front, a show-off is someone who seeks attention, and a faker is someone who pretends to be something they are not. Fraud, impostor, charlatan, and hypocrite all refer to someone who is intentionally deceptive.