NET
22 For the one who was called in the Lord as a slave is the Lord’s freedman. In the same way, the one who was called as a free person is Christ’s slave.
Darby
22 For the bondman that is called in [the] Lord is the Lord's freedman; in like manner [also] the freeman being called is Christ's bondman.
KJV
22 For he that is called in the Lord, [being] a servant, is the Lord's freeman: likewise also he that is called, [being] free, is Christ's servant.