1 Translating the dative as “For freedom” shows the purpose for Christ setting us free; however, it is also possible to take the phrase in the sense of means or instrument (“with [or by] freedom”), referring to the freedom mentioned in 4:31 and implied throughout the letter.
2 Here the yoke figuratively represents the burdensome nature of slavery.

In other versions

For freedom Christ has set us free; stand firm therefore, and do not submit again to a yoke of slavery.

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.

For freedom, Christ set us free. Stand firm, then, and don’t submit again to a yoke of slavery.

So Christ has truly set us free. Now make sure that you stay free, and don’t get tied up again in slavery to the law.

For freedom Christ has set us free. Stand firm, therefore, and do not be subject again to a yoke of slavery.

Stand fast therefore in the liberty wherewith Christ hath made us free, and be not entangled again with the yoke of bondage.

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