#Who was Peter?

Peter was a fellow elder, a witness of the sufferings of Christ, and a participant in the glory that will be revealed. [5:1]

#What did Peter exhort his fellow elders to do?

He exhorted them to tend the flock of God and look after them. [5:1-2]

What is the devil like?

He is like a roaring lion stalking around, looking for someone to devour.