"Liar" is a term used to describe someone who intentionally tells falsehoods or deceives others. This behavior can occur in various contexts, such as personal relationships, business dealings, or even in politics. The act of lying can range from small white lies to significant fabrications that can have serious consequences. In literature and media, the concept of a liar often serves as a central theme, exploring the motivations behind deceit and its impact on relationships. Characters like Pinocchio or Iago from Shakespeare's Othello illustrate the complexities of lying, revealing how dishonesty can lead to conflict and moral dilemmas.