According to Boccaccio, some people believed the sins of some to be the cause of the plague. They believed that God punished them for committing sins by giving them the plague
The one that represent tradition in the face of change would be : Nathan.
Throughout the face of changes, nathan is the one that still held traditional value from all the character above.
He still insist on working hard on the land and really dissapointed when none of his children want to follow his footsteps.
They are
Clever
Generous
Sly