Because for the work of Christ he was nigh unto death, not regarding his life, to supply your lack of service toward me.
For the work of Christ - namely, the bringing of a supply to me, the minister of Christ. He was probably in delicate health in setting out from Philippi; but at all hazards he undertook this service of Christian love, which cost him a serious sickness.
Not regarding his life. 'Aleph (') A B Delta G read. х paraboleusamenos (G3851)] 'hazarding,' etc.
To supply your lack of service - not that they lacked the will, but the 'opportunity' by which to send their accustomed bounty (Philippians 4:10). 'That which ye would have done if you could (but which you could not through absence) he did for you; therefore receive him with all joy' (Alford).