“It is appointed unto men to die once but after this the judgment.” (Hebrews 9:27). Are you ready to meet the Judge of the Universe? If you are not ready, don’t know,(or don’t even care), Take the good person test (or watch it here) and find out how to be ready…before it’s too late. None of us are promised tomorrow.
Just as a shephard watches over his sheep, here Peter is speaking about Jesus the one true shepherd who is a Guardian (also called a Bishop or Overseer) of souls of Christians. He is a protector of us (like wandering sheep) who know and trust Him. Not even the devil (as powerful as he is) will be able to keep us from being guarded and protected by God.