Honesty and Trust: Wilson is depicted as a sincere, honest individual who places a lot of trust in others. This makes him susceptible to being deceived by unscrupulous individuals, as seen when he falls for the Red-Headed League scheme orchestrated by the criminal mastermind, John Clay.
Lack of Curiosity: Wilson's lack of curiosity plays a significant role in the story. Despite the peculiar nature of the job offered to him by the Red-Headed League, he doesn't question its legitimacy. This blind acceptance allows Clay and his associates to manipulate him more easily.
Obsession with his Appearance: Wilson is described as having a striking red hair and, as the story progresses, it becomes evident that he is vain about his appearance and the attention it draws. This attribute is cleverly exploited by Clay, who establishes the fictional Red-Headed League to specifically attract individuals with red hair.
Simplicity and Gullability: Wilson is characterized by his simplicity and naïve nature, making him an easy target for manipulation. He fails to recognize the inconsistencies in the Red-Headed League's business venture and readily accepts the explanations provided by Clay, even though they are far-fetched.
Determination: Despite being scammed, Wilson exhibits a sense of determination to uncover the truth behind the Red-Headed League. He seeks the assistance of Sherlock Holmes, demonstrating his desire for justice and a resolution to the mysterious events that have disrupted his life.
Overall, Jabez Wilson's character traits contribute to the humorous tone and plot development of "The Red-Headed League," as his trust, simplicity, and lack of curiosity create opportunities for the main antagonist to exploit his vulnerabilities and execute their deceitful plan.