Qadaa giving a ruling according to Islam and making it binding on people, so as to settle disputes and end quarrels The Muslim ruler must appoint judges as the needs of the community dictate, so that people’s rights are secured and injustice is removed. In the Qur’an Allah says: ‘David! We have made you a vicegerent on earth: judge, then, between people with justice, and do not follow vain desire, lest it leads you astray from the path of Allah’ (38: 26).