Answer:
in a limited government the government is limited by law
in a unlimited government the law sets no limits on the actions of a government
tyranny can result in an abuse of power such as the abuse military power against its citizens.
When there is a normal democratic limited government the government can not use force like police or military against protesters or other sorts of opposition. In an unlimited government or a tyranny the government can enforce its will on its citizens and almost nothing can stop it except an uprising or something similar.
Most gladiators were usually slaves. Slavers sell slaves for money and the slaves are forced into an arena to fight to their deaths.Typically, a slave gladiator goes against a super strong and powerful guy that was not a slave. The spectators would typically want the super strong and powerful guy to win.