The Orthodox Church claims to be the one true church of Christ, and seeks to trace its origin back to the original apostles through an unbroken chain of apostolic succession. Orthodox thinkers debate the spiritual status of Roman Catholics and Protestants, and a few still consider them heretics.
Kanisa halisi kiimani la Mashariki linadai kuwa kanisa moja pekee la kweli la Kristo, na linatafuta kufuatilia asili yake ya nyuma kwa mitume wa kwanza kwa njia ya uridhi usiokatika wa kitume. Watalaam wa Kiothodokisi hujadili hali ya kiroho ya Wakatoliki na Waprotestanti, na wachache wao bado huwafikiria kuwa wazushi.