What is the first duty of a ruler?

The first duty of a ruler is to ensure the safety and well-being of their people. This involves maintaining order, protecting the realm from external threats, and providing for the basic needs of the population, such as security, justice, and access to essential resources. A ruler must also govern with fairness and integrity, fostering trust and promoting the common good. Ultimately, the effectiveness of a ruler is measured by their commitment to the welfare of their subjects.