Jamieson, Fausset & Brown

And . . . also--Greek, "But . . . also." Not only thou, but let others also of "our" fellow believers (or "whom we have gained over at Crete") with thee. for necessary uses--to supply the necessary wants of Christian missionaries and brethren, according as they stand in need in their journeys for the Lord's cause. Compare Tit 1:8, "a lover of hospitality."