English Standard Version
Were you a bondservant when called? Do not be concerned about it. (But if you can gain your freedom, avail yourself of the opportunity.)

American Standard Version
Wast thou called being a bondservant? Care not for it: nay, even if thou canst become free, use it rather.

Berean Study Bible
Were you a slave when you were called? Do not let it concern you—but if you can gain your freedom, take the opportunity.

Douay-Rheims Bible
Wast thou called, being a bondman ? care not for it; but if thou mayest be made free, use it rather.

English Revised Version
Wast thou called being a bondservant? care not for it: but if thou canst become free, use it rather.

King James Bible
Art thou called being a servant? care not for it: but if thou mayest be made free, use it rather.

World English Bible
Were you called being a bondservant? Don't let that bother you, but if you get an opportunity to become free, use it.

Young's Literal Translation
a servant -- wast thou called? be not anxious; but if also thou art able to become free -- use it rather;

1 Corinthians 7:21 Additional Translations ...