This is a great question. It leaves open lots of other questions. But the big one is about being scared of dying. I trust Christ, His atonement, His resurrection, His redemption, His offer of salvation. But, yea, I am afraid of dying.
Death is a fear for everyone.
But those who have been close to God have often gone to their death with joy and comfort. Here are two examples. I was just reading this last night. Thomas Bilney, a great name to remember, but a name now lost. Now I know a little about Cambridge, because I studied there one summer.