the one do it of love, knowing that I am set for the defence of the gospel;

These do it from love, conscious that I am responsible for the cause of the good news:

οι μεν κηρυττουσιν εξ αντιζηλιας τον Χριστον, ουχι εν καθαροτητι, νομιζοντες οτι προσθετουσι θλιψιν εις τα δεσμα μου·

The one preach Christ of contention, not sincerely, supposing to add affliction to my bonds: