Frank Prentice Rand explains and gives reasons for Iago’s behavior and how he is the villain of the play. Rand’s claims that Iago shows his true face and tells his entire plan only to the readers while everyone else in the play sees him as a trustworthy and clever man the readers already know his evil side. Iago’s primary motive to become evil and seek revenge is jealousy because he suspects that Emilia cheated on him with Othello leading him to seek justice and make Othello believe that Desdemona betrayed him, thorough Iago’s talkativeness to himself the readers are aware of the real Iago while the characters in the play know the real Iago until the end.