Perhaps.

[She looks at him incredulously.] He did! Do you think I lie to you, m'sieur? No, he did that out of the kindness of his heart. He did not even know us as anything other than the Jondrettes, his neighbors. [He knew she was a Thenardier now, she was sure. And given that she'd been arrested? He had to know.]

No, do not dismiss him. His head may be lost, but his heart is right where it should be.