oppose there is a reason to use his name it is the name of the person discussed in the article emir is a generic title and titles aren't normally used to begin wiki article titles about persons moreover abd al qadir is a common first name a cursory glance of the history of islamic states will reveal a lot of emirs greater and lesser named abd al qadir what you are proposing is akin to renaming james i of england to simply king james simply because some local things are named after him e g king james bible finally why do you spell it abdelkader there is better reasons to use the transliterated abd al qadir rather than spanish french spelling