Philemon 1:13

I would have liked to keep him beside me, that as your deputy he might serve me during my imprisonment for the gospel;

Treasury of Scripture Knowledge

Summary

Whom I would have retained with me, that in thy stead he might have ministered unto me in the bonds of the gospel:

Bible References

In thy stead

1 Corinthians 16:17
I am glad that Stephanas and Fortunatus and Achaicus have arrived, for they have made up for your absence.
Philippians 2:30
for he nearly died in the service of Christ by risking his life to make up for the services you were not here to render me.

The bonds

Philemon 1:1
Paul a prisoner of Christ Jesus and brother Timotheus, to our beloved fellow-worker Philemon,
Ephesians 3:1
For this reason I Paul, I whom Jesus has made a prisoner for the sake of you Gentiles ??2 for surely you have heard how the grace of God which was vouchsafed me in your interests has ordered it,
Ephesians 4:1
As the Lord's prisoner, then, I beg of you to live a life worthy of your calling,