Author(s): Mustafa ?AH?N
Schemers who were one of the groups which occured in cities in Medieval ?slamic world were organised withing themselves. At first they also joined the wars againist the Christian and got share from the booty. This is an organized group of important functions in the Middle Ages, several installations of cities. Sometimes the governors of the Middle Ages also used ayyar’s in order to increase their power. After a while the purpose of this group diagressed and damaged the cities. Their Plundering and looting had negative influence on people. Some of them became even governors and commanders. Damaged the public from time to time. They didn’t have a good impression in ?slamic World. They took part in activities in lots of cities especially Baghdad by benefitting from the weakness of the ruler or the srate.