But if the priest examines it and there is no white hair in it and it is not deeper than the skin, but has faded, then the priest shall shut him up seven days.
#leviticus 13:21 #tazria
The biblical treatment of a leper who is healed is much like that of a backslider who repents. Expulsion > Repentance > Quarantine > Restoration.
If a toxic community member repents, there needs to be a probationary period to be certain. Forgive, but don't be foolish.