What are benefical acts that Arthur Dimmesdale has performed in The Scarlet Letter? (I'm defending him to prove he's innocent.)

While the
Reverendhas committed the sin of adultery, the most grievous offence belongs to the theology of
Puritanism which disallows any human foibles, thus forcing people to dissemble and hide their
secret sins, and demanding absolute perfection from their religious leaders. Dimmesdale's sin is
that he is a man with natural feelings and desires, but these human urges are denied him by the
strict Calvinism which allows no imperfection from its "elect." 

Puritanism should be on trial, not Arthur Dimmesdale, whom it has imprisoned and whose
congregation perceives him to be a saint to the very end--even when he confesses his sin, they
forgive him.

Here are good acts performed by the Reverend Dimmesdale (not
including his usual ministerial duties):

1. Whilestands on the scaffold,
Dimmesdale is called upon to ask her with whom she sinned. Bending his head "in silent
prayer," he then approaches Hester and speaks to her in such a manner as to communicate
that she...