'Convert' in the Bible

"How terrible it will be for you, scribes and Pharisees, you hypocrites! You travel over land and sea to make a single convert, and when this happens you make him twice as fit for hell as you are.

This suggestion pleased the whole group. So they chose Stephen, a man full of faith and the Holy Spirit, Philip, Prochorus, Nicanor, Timon, Parmenas, and Nicolaus, a gentile convert to Judaism from Antioch.

Greet also the church that meets in their home.Greet my dear friend Epaenetus, who is the first convert to Christ from Asia.

He must not be a new convert, or he might become conceited and fall into the condemnation of the Devil.

Brethren, if any of you do err from the truth, and one convert him;

let the [latter] one know that the one who has turned a sinner from the error of his way will save that one’s soul from death and cover a multitude of sins [that is, obtain the pardon of the many sins committed by the one who has been restored].