Sheikh Abdulaziz bin Abdullah Al Alsheikh, Grand Mufti of the Kingdom of Saudi Arabia, President of Senior Ulema Commission, and Chairman of the Standing Committee of Scientific Research and Ifta, met here last night with the preachers of the mosques of Riyadh city. During the meeting, the grand mufti delivered a lecture on the duty of the preacher to highlight the danger of terrorism, extremism and intellectual disorders. The lecture underlined the importance of the job of the preachers of Friday prayers and stressed that extremism is against Islam which calls for moderation. The sheikh explained the need for unity between the nation's leaders and the nation's people and underscored the importance of loyalty by the people to the leaders.