Peter, an apostle of Jesus Christ, to the chosen ones who are living as strangers in the Dispersion in Pontus, Galatia, Cappadocia, Asia, and Bithynia,
As Barclay said, "One of the outstanding things about this passage is that it takes words and conceptions which had originally applied only to Jews and applies them to Christians."[1] These are elect, Chosen, Dispersion, and sojourners.  "Peter, an apostle of Jesus Christ ..."