Aztecs: because they would give their blood to the sun god as a way of not harming their way of living
Inca: because they grew crops for and lived in mountains to get closer to their god
All of these are often considered as examples of "charismatic' leaders.
This means that their character and leadership impacted the masses greatly with their charisma and that separates them form common people or leaders.
Answer:
The southern slave population
If "the play" you're talking about is Julius Caesar by William Shakespeare, then this question is actually a form of opinion. There is no right or wrong in the actual, factual basis of the topic because some believe it was justified that the conspirators were doing what they thought was best for Rome, and some believe Brutus never should have joined them because he was Caesar's closest friend. In matters of betrayal, you have to read the play yourself and answer this.