The responsibility that is given to the Caliph in the first duty is to protect the faith of Islam as per the principles laid down by consensus of the early Muslims (salaf al-ummah). Apart from this responsibility, there are 9 other responsibilities as well. Some of the other responsibilities include executing the offenders for preserving justice. Also the Caliph has the responsibility of protecting the lives of people that are governed by him, so that they can pursue their livelihood and lead a peaceful life.
The first caliph, Abu Bakr, was given both religious and political authority in the Islamic community. He helped in forming and interpreting** Islamic laws **and principles and ensured the unity of the Muslim community. Over time, however, the religious role of the caliphs diminished and shifted towards Islamic scholars, the ulama. ;
The first duty of the caliph is to protect the faith of Islam and uphold its principles. This responsibility includes uniting the Muslim community, promoting justice, and ensuring adherence to Islamic law. This foundational role shaped the leadership model for subsequent caliphs and the Muslim ummah.
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