'Servants' in the Bible

Know ye not, that to whom ye present yourselves as'servants unto obedience, his servants ye are whom ye obey; whether of sin unto death, or of obedience unto righteousness?

But thanks be to God, that, whereas ye were servants of sin, ye became obedient from the heart to that form of teaching whereunto ye were delivered;

and being made free from sin, ye became servants of righteousness.

I speak after the manner of men because of the infirmity of your flesh: for as ye presented your members as'servants to uncleanness and to iniquity unto iniquity, even so now present your members as'servants to righteousness unto sanctification.

For when ye were servants of sin, ye were free in regard of righteousness.

But now being made free from sin and become servants to God, ye have your fruit unto sanctification, and the end eternal life.