They are welcome to hear the message of God. But non-believers cannot be counted as fellow brothers or sisters who partake the grace and salvation of our Lord. This is not up to us, but up to them. If they dare to testify their disbelief, then how couldn't we dare to forbid them?
By agreeing non-believers to serve, one might as well testify: One might still be saved by not believing in Jesus Christ our Lord.
How about the testimony of those who actually believed after serving as non-believers? I do not deny, for the grace of God works in miraculous ways. However, it is not to say that his salvation depended on him serving. For such is not God's grace nor are we his savior.
How can we be a witness of Christ's mercy, if we ourselves don't even understand we are serving this ministry because we have received mercy.
Nevertheless, if a church is so impotent in preaching God's word, deprived of sermons and teachings of Christ and even stripped of true Christians, that the only way for someone to hear a tiny drop of God's word is by trapping him in servitude...then by all means...
Deu 12:3 And ye shall overthrow their altars, and break their pillars, and burn their groves with fire; and ye shall hew down the graven images of their gods, and destroy the names of them out of that place.
Deu 12:4 Ye shall not do so unto the LORD your God.
Deu 22:10 Thou shalt not plow with an ox and an ass together.
2Co 6:14 Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?
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