Final answer:
The most likely meaning of the word earnest in this scene is honest.
Step-by-step explanation:
The most likely meaning of the word earnest in this scene is honest. In literature, the word earnest often refers to someone who is sincere, truthful, and serious about something. It suggests that the person is genuine and has a genuine desire to do the right thing. In the context of the scene, if a character is described as earnest, it means that they are being honest and sincere in their actions or words.