“And sent Timotheus our brother and minister of God, and our fellow labourer in the Gospel of Christ, to establish you, and to comfort you concerning your faith:”
1611 King James Version (KJV)
1Th 3:2 And sent Timotheus, our brother. Paul had been left alone at Athens, went to Corinth alone, and was there joined by Silas and Timothy, who came from Macedonia (Ac 18:5). Timothy had been sent to strengthen the new church at Thessalonica.