'Separated' in the Bible

Paul, a servant of Jesus Christ, a called apostle, having been separated to the good news of God --

wherefore, come ye forth out of the midst of them, and be separated, saith the Lord, and an unclean thing do not touch, and I -- I will receive you,

and when God was well pleased -- having separated me from the womb of my mother, and having called me through His grace --