'Fellow worker' in the Bible

Salute Urbanus our fellow-worker in Christ, and Stachys my beloved.

Timothy my fellow-worker saluteth you; and Lucius and Jason and Sosipater, my kinsmen.

Whether any inquire about Titus, he is my partner and my fellow-worker to you-ward, or our brethren, they are the messengers of the churches, they are the glory of Christ.

But I counted it necessary to send to you Epaphroditus, my brother and fellow-worker and fellow-soldier, and your messenger and minister to my need;

Paul, a prisoner of Christ Jesus, and Timothy our brother, to Philemon our beloved and fellow-worker,