We are not to "fellowship" the works of darkness. We are to show kindness but not condone sin. There is a difference. Scripture says Christ was "separate from sinners".
She will without doubt find a great many religous people who will assure her she will not be cast into Gehenna thereby affirming what her deceived heart wants to here.
It does?
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Hebrews 13:23 Know ye that our brother Timothy is set at liberty