Charter means <span>a written grant by a country's legislative or sovereign power, by which an institution such as a company, college, or city is created and its rights and privileges defined. </span>
The Goldeb rule is "Treat others the way you wanna be treated"
C i think You have to look more into it though
Mencius' political philosophy basically results from an extension of his doctrine of moral feelings. As he told the rulers, “If you let people follow their feelings (original nature), they will be able to do good” (Mencius 6A6). When Xunzi later attacked Mencius, one of his arguments was based on the concept of natural feelings.