As Abraham, the founder of their faith, had sex outside of marriage and acted as Sarah's pimp with Yahweh's blessing , I don't see having consensual sex as a valid reason to discriminate against other Christians. The ascetic Latin editors of the Holy Bible were aghast to find sex revered and celebrated by the ancients therein and to an extent disguised the prevailing sexual morality causing some confusion. But cleary in the Old Testament ( and in the New Testament under Roman law) it was lawful for Hebrew men to have sex with concubines, widows, male and female prostitutues and slaves. Adultery was a property crime, where the man's spouse could not have sex with another without his permission.
The ancient Hebrew's formative religion was a phallic cult - thus requiring its males to possess a penis and testes. Hence eunuchs, and men who lost their penises, could not be part of the congregation.
Deuteronomy 23:1 He that is wounded in the stones, or hath his privy member cut off, shall not enter into the congregation of the LORD.
In the New Testament Jesus and Paul view an ascetic life "for the kingdom of heaven's sake" as being commendable, but realize such a life would not be accepted by all. For the latter persons Christ did not discriminate against them, but associated with them. Likewise so should these Christians who are supposed to lead from Christ's example.