Committing the keeping of our souls to God

The world thinks the change wrought by God in a converted sinner strange 1 Peter 4:4 But the new believer finds the path of a Christian strange too. The path of trial was not expected.
Peter in his epistles seeks to do as the Lord bade him to do when he was restored from being in Satan's sive. "Strengthen thy brethren"
Here he strengths those suffering as a Christian, and tells them what to do in this path of fiery trial. - Commit the keeping of their souls unto God.

1/ Reasons why those that suffer according to the will of God must commit the keeping of their souls to God.
2/ Those that suffer according to the will of God
3/ The Instruction given them