Stand firm, and do not be willing to be again held by the yoke of servitude
Other versions
King James Version
Stand fast therefore in the liberty wherewith Christ hath made us free, and be not entangled again with the yoke of bondage.English Standard Version
For freedom Christ has set us free; stand firm therefore, and do not submit again to a yoke of slavery.New International Version
It is for freedom that Christ has set us free. Stand firm, then, and do not let yourselves be burdened again by a yoke of slavery.