"إن أخنع اسم عند الله عز وجل رجل تسمى ملك الأملاك"
Abu Hurairah (May Allah be pleased with him) said: The Prophet (ﷺ) said, "The most disgraceful man near Allah is a man who calls himself (or likes others to call him) Malikul-Amlak (i.e., king of kings)." [Al-Bukhari and Muslim] .