and sent Timothy, our brother and God's servant in the Gospel of Christ, to establish you, and to comfort you concerning your faith;
Our brother - See the notes at Colossians 1:1. The mention of his being a “brother” is designed to show his interest in the church there. He did not send one whose absence would be no inconvenience to him, or for whom he had no regard. He sent one who was as dear to him as a brother.