Chillingworth tells Hester to use the information that she owns (his true identity) in whatever way she so wishes.
Dimmesdale is shocked and horrified when Hester reveals Chillingworth's true identity as her husband. He feels betrayed and manipulated by Chillingworth for disguising his true relationship to Hester. Dimmesdale also feels guilt and remorse for unknowingly being involved in the scheme that has harmed Hester.
Chillingworth is pretty much a leech attached to Dimmesdale. Chillingworth is living and thriving off the pain/guilt he is inflicting on Dimmesdale to the point where he can no longer live after Dimmesdale's death.
In 'The Scarlet Letter', Hester hopes to save Dimmesdale by telling him the truth about Chillingworth so that they can be together. By learning his identity, they go off to live with Pearl in England.
Chillingworth wanted to know the name of the man with whom she committed adultery, Dimmesdale.
To get him to admit that he slept with Hester.
Dimmesdale realizes Chillingworth is not the friend he thought he was. He decides to dismiss Chillingworth later on and not take in his remedies. Hester basically told him that Chillingworth is her husband and he's out to discover his secret.
When Hester meets Roger Chillingworth on the peninsula, she tells him that she is going to make Reverend Dimmesdale aware of Chillingworth's true identity (Roger Prynne - Hester's former husband.)Hester says to Roger Chillingworth "I must reveal the secret. He [Arthur Dimmesdale] must discern thy true character, to discuss this matter with him, told him to be there for that discussion.
Roger Chillingworth wants revenge on Reverend Dimmesdale for having an affair with Hester Prynne. He seeks to torment Dimmesdale as he believes Dimmesdale is partly responsible for the shame and suffering that Hester endured. Chillingworth aims to expose Dimmesdale's guilt and hypocrisy.
Hester Prynne reveals to Reverend Dimmesdale that Roger Chillingworth is her husband. She discloses their secret marriage and the fact that Chillingworth is seeking revenge on Dimmesdale for his adultery with Hester.
What piece of unwelcome news does the master of the ship on which she Pearl and Dimmesdale are to sail have for Hester?according to this question, I believe the answer would be"When Hester sees Chillingworth talking to the ship captain, she has an uneasy feeling. When the captain makes a point of telling her that Chillingworth will be sailing with them to Bristol, she is devastated. Chillingworth obviously knows of the secret plans that she and Dimmesdale have made, for he looks at Hester and smiles knowingly."
promise not to exact his name as her husband.
Chillingworth was gone for about two years before Hester cheated on him with Dimmesdale.