1:1 apostle of Christ Jesus. One sent out as an official representative of Christ (2 Cor. 1:1 note).

by the will of God. Paul identifies the One who commissioned him (1 Cor. 1:1; 2 Cor. 1:1; Eph. 1:1; Col. 1:1).

according to the promise of the life that is in Christ Jesus. The role of the apostle is to proclaim the life that is in Christ (1 Tim. 1:16 note).