I exhort the elders among you, as a fellow elder, and a witness of the sufferings of Christ, and who will also share in the glory that will be revealed.
    Peter loaded this exhortation to the elders with some rich motivation. First, there was motivation by identification with Peter, who refers to himself as a fellow-elder. As such, he could give relevant exhortation to the spiritual leaders. Second, there was motivation by authority. By noting that he had been an eyewitness of Christ’s suffering, Peter was affirming his apostleship (cf. Luke 24:45; Acts 1:21-22). Third, there was the motivation by anticipation. The fact that Christian leaders will one day receive from the hand of Christ a reward for their service should be a stimulant to faithful duty. The basis of this anticipation was Peter’s experience in observing the transfiguration of Christ (cf. Matthew 17:1-8; 2 Peter 1:16). At that momentous event, he did partake of the Lord’s glory. - MSB