The crossword solution for the term 'OTHELLO FELLOW' is IAGO, which is a four-letter word. Iago is a character in William Shakespeare's play Othello. He is a villainous ensign who plots against the protagonist, Othello, and is one of the most complex characters in all of Shakespeare's works. Iago is known for his manipulative and deceptive nature, as well as his ability to manipulate those around him.