Zombie Apocalypse: Redemption (2011) on Netflix

Plot summary

Civilization has fallen, and the dead outnumber the living ten thousand to one. Every day in the wasteland is a fight to see tomorrow, and John Knox, a wanderer who has survived alone, has reached the point where he is ready to give up that fight. A band of survivors led by a man named Moses saves him. They are suspicious of him at first, so Knox has to prove his worth before they accept him. He does, and he becomes part of his new family in the wasteland.