Mishkat al-Masabih 18 The Offices of Commander and Qadi كتاب الإمارة والقضاء 58

وَعَنْ عُمَرَ بْنِ الْخَطَّابِ رَضِيَ اللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «إِنَّ أَفْضَلَ عِبَادِ اللَّهِ عِنْدَ اللَّهِ مَنْزِلَةً يَوْمَ الْقِيَامَةِ إِمَامٌ عَادِلٌ رَفِيقٌ وَإِنَّ شَرَّ النَّاسِ عِنْدَ اللَّهِ مَنْزِلَةً يَوْمِ الْقِيَامَةِ إِمامٌ جَائِر خرق»

‘Umar b. al-Khattab reported God’s Messenger as saying, “The one among God’s servants who will have the best position with God on the day of resurrection will be a just and kindly iman , but the man who will have the worst position with God on the day of resurrection will be a tyrannical and harsh imam .” Baihaqi transmitted in Shuab al iman .