Peter the fisherman. The apostle and elder writes to the chosen people of God. Elect he calls them.
However it is not his kinsman the Jews that he addressed but the new Gentile followers of Jesus.
1 Peter 1:1To those who are elect exiles of the dispersion in Pontus, Galatia, Cappadocia, Asia, and Bithynia, 2 according to the foreknowledge of God the Father, in the sanctification of the Spirit, for obedience to Jesus Christ and for sprinkling with his blood:
May grace and peace be multiplied to you.