How we cite our quotes: (Act.Scene.Paragraph)
Quote #4
"Yes sir—if I was sure it wouldn't make you angry." (3.1.74)
Jacques says he'd gladly tell Harpagon what people say about him behind his back, except that he's worried that the truth will make Harpagon angry. Essentially, Jacques is worried that after he delivers the message to Harpagon, the old man will want to shoot the messenger.
Quote #5
"No you won't. On the contrary, you'd be doing me a good turn. I'd be happy to know what it is they say about me." (3.1.77)
Harpagon will not be swayed by Jacques' efforts to change the subject. He knows that Jacques is keeping something from him, and he desperately wants to know what people think of him.
Quote #6
"Since you will have it sir, I'll tell you straight—you're a laughingstock everywhere. We get bombarded on all sides with jokes about you." (3.1.78)
When pressed, Jacques finally tells Harpagon that he's the laughingstock of the neighborhood and that nobody respects him because of his stingy ways. As you can imagine, Harpagon doesn't take this news well.