This thesis aimed to edit Gädlä Abäw wä-Aḫaw [Fourth Part] using diplomatic edition. Thus,rnthe study sought to: (i) present an edition of Gädlä Abäw wä-Aḫaw [Fourth Part]; (ii) make arnphilological analysis of the gädl; (iii) present a linguistic commentary on the gädl;(iv) providernthe theological background of the Stephanites; (v) discuss the historical milieu of thernStephanites. To this effect, Diplomatic edition as a research method was employed to conduct thernstudy as the text is a codex unicus. In addition, five key informant interviews were used tornsupplement the historical and theological background of the Stephanites. The gädl preserves arnvital and extensive historical and theological record of the 15th –century Stephanite movement.