Wherefore, though I might be much bold in Christ to enjoin thee that which is convenient, Wherefore - because of my love, I "beseech," rather than "enjoin," or authoritatively command.
I might ... enjoin - in virtue of Philemon's obligation to obedience as having been converted through Paul I might ... enjoin - in virtue of Philemon's obligation to obedience as having been converted through Paul. In Christ - the element in which his boldness has place.