The Question and Answer section for She Stoops to Conquer is a great resource to ask questions, find answers, and discuss the novel.
Diggory is the head servant at the Hardcastle's estate.
Tony shows Hastings the cache of jewels he has stolen. Hastings is worried because Constance has just about convinced Mrs. Hardcastle to give them to her.
I'm sorry, I do not understand your question as posted. Please clarify your question and repost.