Paul introduces himself as a servant of God and an apostle of Jesus Christ in verse 1 and in verse 4 he reveals Titus, to whom the letter is addressed. Titus is the overseer of the young churches on the Island of Crete and Paul refers to him as mine own son after the common faith. The words common faith refer to the whole body of revealed truth, which he refers to as sound doctrine (Titus 1:9, 13; 2:1,2, 8; 3:8). Paul's introduction is large, considering how short the epistle, yet it sets the theological tone with which Titus must teach in order to set the local churches in order (Titus 1:5).