In Islam, there is no priesthood, and no intermediary between the creature and The Creator; but every Muslim from the ends of earth or in the paths o… - Sayyid Qutb

The Arabs ... realized that ascribing sovereignty only to God meant that the authority would be taken away from the priests, the leaders of tribes, the wealthy and the rulers, and would revert to God. It meant that only God's authority would prevail in the heart and conscience, in matters pertaining to religious observances and in the affairs of life such as business, the distribution of wealth and the dispensation of justice—in short, in the souls and bodies of men. They knew very well that the proclamation, "There is no deity except Allah," was a challenge to that worldly authority which had usurped the greatest attribute of God, namely, sovereignty.

It is not the intention of Islam to force its beliefs on people, but Islam is not merely ‘belief’. As we have pointed out, Islam is a declaration of the freedom of man from servitude to other men. Thus it strives from the beginning to abolish all those systems and governments which are based on the rule of man over men and the servitude of one human being to another. When Islam releases people from this political pressure and presents to them its spiritual message, appealing to their reason, it gives them complete freedom to accept or not to accept its beliefs.

The right of disposal depends on being mature and being able to fulfill one's duties; when the possessor does not meet these requirements, then the natural fruits of ownership come to an end.