Abū al-Barakāt ibn Kabar (d. 1324) was a Coptic priest and theologian and the author of The Lamp of Darkness and the Elucidation of the Service (Mișbâḥ al-ẓulmah wa-îḍāḥ al-khidmah).Abū al-Barakāt ibn Kabar (d. 1324) was a Coptic priest and theologian and the author of The Lamp of Darkness and the Elucidation of the Service (Mișbâḥ al-ẓulmah wa-îḍāḥ al-khidmah).