what is the theme of the character Julius Casear?

Julius Caesar

the titular character. When the play starts, he is the only man capable of giving orders and ensuring they are carried out. Caesar fails to understand the many signs indicating a plot against him and is killed by a conspiracy led by Cassius and Brutus. His ghost haunts the remainder of the play, and his name is invoked by both Cassius and Brutus before they commit suicide in the final act.