NET

27 Only conduct yourselves in a manner worthy of the gospel of Christ so that—whether I come and see you or whether I remain absent—I should hear that you are standing firm in one spirit, with one mind, by contending side by side for the faith of the gospel,

Darby

27 Only conduct yourselves worthily of the glad tidin^D8687gs of the Christ, in order that whether coming and seeing you, or absent, I may hear of what concerns you, that ye stand firm in one spirit, with one soul, labouring together in the same conflict with the faith of the glad tidings;

Darby Bible Notes

in - That is, the faith of the gospel being in conflict, they identified themselves with it, and entered into the struggle, 'striving in favour of it.'

KJV

27 Only let your conversation be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;