Mathiya Bheka futhi isihloko esithi UmPhostoli—Ukukhethwa kwabaPhostoli Ngumuntu owakhethwa ukuba athathe indawo kaJuda Iskariyothe njengelungu lomGwamanda wabaPhostoli abaliShumi namBili (IzE. 1:15–26). Wayengumfundi kubo bonke ubufundisi bukaJesu basemhlabeni (IzE. 1:21–22).