When someone shrives, they confess their sins and ask for forgiveness, usually from a priest.
Shriving is often seen as a religious or spiritual act, where someone is seeking to make things right with their beliefs.
Examples:
He shrives his sins to the priest.
She goes to church to shrive.
The man shrives his wrongdoings to the holy person.
The naughty child shrives for stealing cookies.
In some stories, the hero shrives before going on a dangerous journey.
The old lady shrives every Sunday at the church.