NET
6 not like those who do their work only when someone is watching—as people-pleasers—but as slaves of Christ doing the will of God from the heart.
Darby
6 not with eye-service as men-pleasers; but as bondmen of Christ, doing the will of God from [the] soul,
KJV
6 Not with eyeservice, as menpleasers; but as the servants of Christ, doing the will of God from the heart;