Short Answer 
Poole and Utterson both exhibit bravery as a key trait, demonstrated by their willingness to confront Dr. Jekyll despite the risks involved. Their courageous actions reflect a determination to seek answers, contrasting with feelings of fear and concern, and highlighting bravery as a dominant emotion in the story.
Step 1: Identify Comparable Traits
Poole and Utterson share a significant characteristic: they both exhibit a strong sense of bravery. This is evident in their willingness to confront Dr. Jekyll despite knowing his troubling reputation and past actions. Their courageous nature becomes a pivotal aspect of their characters and motivations throughout the story.
Step 2: Analyze Their Actions
Both characters demonstrate their bravery through specific actions. They venture to see Jekyll and demand his attention, fully aware of the dangers involved. This act alone showcases their courage and determination to seek answers, contrasting their emotional states of fear and concern for Jekyll’s well-being.
Step 3: Contrast with Other Emotions
Unlike typical responses such as depression, anger, or cruelty, their bravery stands out as the dominant emotion they exhibit. It emphasizes their resolve and commitment to face difficult situations head-on, reinforcing the theme of courage in the context of fear and uncertainty within the narrative.