What is it about the word Sojourn and Exile that is driving peters sermon to the exiles in Asia minor?

Isaiah 43: 1Now this is what the LORD says— He who created you, O Jacob, and He who formed you, O Israel: “Do not fear, for I have redeemed you; I have called you by your name; you are Mine! 2When you pass through the waters, I will be with you; and when you go through the rivers, they will not overwhelm you. When you walk through the fire, you will not be scorched; the flames will not set you ablaze. 3For I am the LORD your God, the Holy One of Israel, your Savior;

1 Peter 2:11 Dear friends, I warn you as “temporary residents and foreigners” to keep away from worldly desires that wage war against your very souls.

1 peter 5:13 Ezekiel 16:26 Deuteronomy 31:16 Leviticus 18:24-25 2 Kings 17:15-20 2 Kings 17:33-41 Hosea 1:2 Hosea 2:13-17 Psalm 87 1 Peter 2:9-10 2 Corinthians 5:13-15,20 Jeremiah 29:4-11