Do you ever wonder about the difference between a police officer and a gang member? 

Both might be armed with a gun. Both can ask for your wallet. 

Odds are, you will give your wallet to both but feel differently about the reasons for compliance. 

The small difference between complying out of fear and complying out of a sense of duty is Legitimacy. LAL #001 introduces the concept of Legitimacy and what German sociologist, Max Weber, had to say about it.