By comparing women to jewelry and precious things, they are being treated as belongings to be bought and sold. Autism Man Spider Man. A nun’s dress is a type of hijab the hair and the body is covered. The point is the nuns do hijab because of what their religion teaches them and the Muslim women of Islam wear hijab for the same reason and in both religions, it’s compulsory to wear the hijab. Also, Irans government is based on the religion so it’s a must to do hijab just like in Saudi Arabia it’s a must.