Cross reference
1 Corinthians 16:17
17 I am glad of the coming of Stephanas and Fortunatus and Achaicus: for that which was lacking on your part they have supplied.
2 Corinthians 11:9
9 And when I was present with you, and wanted, I was chargeable to no man: for that which was lacking to me the brethren which came from Macedonia supplied: and in all things I have kept myself from being burdensome unto you, and so will I keep myself.
Philippians 2:30
30 Because for the work of Christ he was nigh unto death, not regarding his life, to supply your lack of service toward me.
Philemon 1:13
13 Whom I would have retained with me, that in thy stead he might have ministered unto me in the bonds of the gospel: