Translation of the verse 6 from Surah At-Taubah : Number of verses 129 - - page 187 - Part 10.
And if anyone of the Mushrikun (polytheists, idolaters, pagans, disbelievers in the Oneness of Allah) seeks your protection then grant him protection, so that he may hear the Word of Allah (the Quran), and then escort him to where he can be secure, that is because they are men who know not.
And if any one of the polytheists seeks your protection, then grant him protection so that he may hear the words of Allah. Then deliver him to his place of safety. That is because they are a people who do not know.
(9:6) And if any of the mushriks requests you for protection so that he may come to you (to hear the Word of Allah), give him protection till he hears the Word of Allah; then convey him. to the place of his safety: this should be done because these people do not know the Truth. *8
*8) That is, "lf during a fight, an enemy makes a request that he should be given an opportunity to understand Islam, the Muslims should give him a surety of protection and allow him to visit them. They should then present Islam before him in order to make him understand it. If, after this, he dces not embrace Islam, they should convey him safely to his place" . Such a person who comes to Dar-ul-Islam under the above mentioned protection is called musta'min in the Islamic Code.