Theodoros Papapetrou Sakelariou marker inscription (2 of 3), Potamos

The weathered marker is partially readable:
THEODOROS PAPAPETROU SAKELARIOU
FROM SARANTAPTIHO KORINTH
HERE RESTS
BORN ON ?? JANUARY 1830
DIED ON THE 20 APRIL 1885
(Illegible) means philanthropy

Please add any information you may have on this individual. Thanks to John Prineas and Spyro Calocerinos for assistance.