Summary of julius ceaser?

can anyone pick one of the character from Julius Caesar by Williams Shakespears and discuss each theme (loyalty,ambition, and honor) through his/his life and examples in the play. An example would be brutus and showin 3 body paragraphs how he was loyal ambitious, and honorable im trying to show my sister different way of writing so she can learn better expresstions i think this whould help her please help!!