Ori Commander was a commander in the Ori army. He lead the attack against P9C-882 against the villagers he ordered his men to flank which they did and the villagers toke severe casualties. He and his men are able to force the villagers and Vala Mal Doran to surrender. After he spots movement in a building where Lt. Colonel Cameron Mitchell and Lt. Colonel Samantha Carter are, he approaches the building and it disappears.
He questions the villagers about the vanishing building and Vala responds by saying 'Perhaps it was the will of the gods". He doesn't take this for an answer and is about to kill Vala and the villagers when Tomin arrives and takes Vala and orders the rest killed which he and his men successfully do. When the village vanishes the Ori invaders leave after that it is unknown what happened to him. (SG1: "Line in the Sand")