'Proselyte' in the Bible

Woe to you, Scribes and Pharisees, hypocrites! because ye go round the sea and the dry land to make one proselyte, and whenever it may happen -- ye make him a son of gehenna twofold more than yourselves.

And the thing was pleasing before all the multitude, and they did choose Stephen, a man full of faith and the Holy Spirit, and Philip, and Prochorus, and Nicanor, and Timon, and Parmenas, and Nicolaus, a proselyte of Antioch,