What responsibilities are listed in duties 2, 3, and 4?

2: To execute judgments between litigants and to settle disputes between contestants so that justice may prevail and so that none commit or suffer injustice. 3: To defend the lands of Islam and to protect them from intrusion so that people may earn their livelihood and travel at will without danger to life or property. 4: To enforce the legal penalties for the protection of God’s commandments from violation and for the preservation of the rights of his servants from injury or destruction.

troy donahue,   i think.