POWER OF ATTORNEY


I hereby appoint Richard Gavegnano, Kenneth Fisher, Sharon Plante, Lawrence
Spaccasi, Edward Quint or Max Seltzer to act as my true and lawful
attorney-in-fact with authority to execute on my behalf any Form ID, 3, 4 or 5
or any amendment thereto required to be filed by the undersigned under Section
16 of the Securities Exchange Act of 1934, as amended, and the rules and
regulations promulgated thereunder, with the appropriate regulatory authorities
and to do all things incident and necessary to that end, until such time as I
notify Messrs. Gavegnano, Fisher, Spaccasi, Quint, Seltzer or Ms. Plante in
writing that their authority to act on my behalf in this manner has been
withdrawn.

I have signed this power of attorney on May 6, 2021.


By: /s/ John A. Carroll
John A. Carroll


In presence of: /s/ Keith D. Armstrong
Keith D. Armstrong


At: Peabody, MA
City, State