NET
22 Slaves, obey your earthly masters in every respect, not only when they are watching—like those who are strictly people-pleasers—but with a sincere heart, fearing the Lord.
Darby
22 Bondmen, obey in all things your masters according to flesh; not with eye-services, as men-pleasers, but in simplicity of heart, fearing the Lord.
KJV
22 Servants, obey in all things [your] masters according to the flesh; not with eyeservice, as menpleasers; but in singleness of heart, fearing God: