NET
13 For you were called to freedom, brothers and sisters; only do not use your freedom as an opportunity to indulge your flesh, but through love serve one another.
Darby
13 For *ye* have been called to liberty, brethren; only [do] not [turn] liberty into an opportunity to the flesh, but by love serve one another.
KJV
13 For, brethren, ye have been called unto liberty; only [use] not liberty for an occasion to the flesh, but by love serve one another.