No, Christians shouldnt date non-Christians. Christians should even begin to consider dating non-Christians because we are not to marry unbelievers. This is supported by 2 Corinthians 6:14 that says “Do not be yoked together with unbelievers.

What sin is unforgivable in the Bible?

blasphemy against the Holy Spirit One eternal or unforgivable sin (blasphemy against the Holy Spirit), also known as the sin unto death, is specified in several passages of the Synoptic Gospels, including Mark 3:28–29, Matthew 12:31–32, and Luke 12:10, as well as other New Testament passages including Hebrews 6:4-6, Hebrews 10:26-31, and 1 John 5:16.