The man who wrote this letter was the half brother of our Lord (Mark 6:3) and the leader of the church in Jerusalem (Acts 1:14; 12:17; 1 Cor. 15:7). He was a devout Jew and wrote to Jewish believers scattered throughout the Roman world. They were troubled by trials and testings as well as by problems in their assemblies; and James wrote to help them mature in their faith (1:4; 2:22; 3:2).
The epistle of James is a practical book that discusses living the faith. It contains echoes of the Sermon on the Mount and the book of Proverbs, both of which are practical.
If we truly practice our faith, it will be seen in how we face trials (chap. 1), in the way we treat people (chap. 2), in what we say (chap. 3), in how we deal with sin in our lives (chap. 4), and in our prayer life (chap. 5).