Aaron

Aaron was Moses' brother,and he acted as Moses' spokesman.Moses was not an eloquent person,so God appointed him to speak for Moses.He did a good job speaking and acting as an example for the people of Israel until when they were waiting for Moses as he was recieving the ten commandments on mount Sinai.Aaron led the people in building a golden calf to be a physical representation of God to worship.Many were punished for the sin that was committed in building and worship of the idol.