Scar is willing to do anything to have power and control. Scar demonstrates that power and control can turn us selfish and impact others negatively. Meanwhile, Simba's motivation for power is fairness and restoring the good.
Upon meeting Tom and Jerry, Charlie empathizes with their feelings of hunger and decides to give them a loaf of bread. Tom and Jerry show their gratitude and are motivated to make money in order to give Charlie a Wonka Bar.