Is it permissible to pray behind a man who treats the sick by seeking help from jinn, as evidenced by his asking for the patient's and their mother's names, muttering secretly, informing them of the illness as "evil eye" or "black magic," writing amulets, giving drinks, and spitting on his left shoulder after prayer and before reciting remembrance? What is the Shar'i (Islamic legal) stance on him, and what advice should be given to those who frequent him?

Among the signs of charlatans is their asking for the patient's name and his mother's name, their mumbling, and their hanging of amulets. Such a person should not be put forward as an Imam. However, if he steps forward and leads the prayer, the prayer behind him is valid if he fulfills the conditions and pillars of prayer. This man must be advised and warned about the consequences of his actions. If that is not possible, then he must be avoided and shunned, and people must be warned against him. The Messenger of Allah, peace and blessings be upon him, said: "Whoever goes to a diviner and asks him about something, his prayer will not be accepted for forty nights." He also said: "Whoever goes to a soothsayer or a diviner and believes what he says has disbelieved in what was revealed to Muhammad, peace and blessings be upon him."