In daunger hadde he at his owene gise
The yonge girles of the diocise,
And knew hir conseil, and was al hir reed.
– Geoffrey Chaucer
The Canterbury Tales, General Prologue. The Summoner knows the secrets of the young people of his diocese. That helps him in his nice little sideline of extorting bribes from those who fear excommunication for some church infraction. Isn’t the real sinner here the Summoner?