What is Hester's sin in The Scarlet Letter by Nathaniel Hawthorne?

In s
, the is condemned for committing adultery. The novel is set in 17th
century, orthodox Puritan Society in Boston America. Adultery was one of the very serious sins
in the Puritan society. , Hester's husband, had left her almost two years ago. Hester gave birth
to a daughter namedin the absence of her husband. This made everyone in the town suspect that
she is guilty of adultery. Because of this, Hester is made to stand on a scaffold where she
bears immense public humiliation. As a punishment of her sin, she...