The First Epistle of John, also known as the First Letter of John or the First John, is a book of the New Testament of the Bible. It is a written letter from John, an apostle of Jesus, to a group of believers.
The First Letter of John covers a wide range of subjects, including the nature of Christian faith, the importance of living a life that is pleasing to God, and the role of the gospel in the life of the believer. The letter also includes a number of teachings about Christian ethics and the importance of living according to the Spirit.
Key figures in the First Letter of John include John, who is the author of the letter, as well as the believers who are the recipients of the letter. The letter also mentions various other individuals, such as the prophets and the patriarchs, who are cited as examples of faith and obedience. The letter also includes a number of references to God and his actions, as well as expressions of trust and reliance on him.