In a story, a "brazen" character would likely be:

A "brazen" character is one who acts boldly and unapologetically, often displaying a lack of shame or restraint. This term connotes a sense of fearlessness in displaying one's actions or opinions, regardless of potential criticism or consequences. Characters described as brazen are typically confident and assertive, willing to push boundaries and challenge social norms without concern for societal expectations.

In contrast, the other descriptors suggest characters who exhibit hesitation, thoughtfulness, or a degree of shyness, which fundamentally contradicts the nature of being brazen. These opposing traits emphasize a lack of confidence or assertiveness, highlighting the boldness and lack of reservation that "brazen" encapsulates. Hence, it aligns perfectly with a character who is daring and confrontational.