If he tries to shift this responsibility, he will not remain the leader. If one of his followers makes a mistake, and shows himself incompetent, the leader must consider that it is he who failed. Not true, a leader only claims responsibility for his very own actions. But he should fire the person who failed or provide better training. The successful leaders must understand and apply the principle of cooperative effort and are able to induce his followers to do the same.
Leadership calls for power, and power calls for cooperation.
It calls more for delegation. Far the most effective, is leadership by consent of, and with the sympathy of the followers. The second is leadership by force, without the consent and sympathy of the followers. History is filled with evidences that leadership by force cannot endure. The downfall and disappearance of dictators and kings is significant.