What is the central idea in shakespeare's play julius caesar? fear eternal love betrayal comedy

I would say that the central idea in Shakespeare's play Julius Caesar is definitely betrayal.
It tells us the story of how Brutus betrayed Julius Caesar and led to his death. Although there are fear and love involved, they are not the most crucial themes in the play. There is not a lot of comedy, given that this play is a tragedy. 

There is nothing popping up so what are u asking