'Service' in the Bible

My imprisonment in [the cause of] Christ has become common knowledge throughout the whole praetorian (imperial) guard and to everyone else.

If, however, it is to be life here and I am to go on living, this will mean useful and productive service for me; so I do not know which to choose [if I am given that choice].

because he came close to death for the work of Christ, risking his life to complete what was lacking in your service to me [which distance prevented you from rendering personally].