Final answer:
The subject of this question is English, and it explores the themes of trustworthiness, reputation, and motivation.
Step-by-step explanation:
The subject of this question is English, as it pertains to the context given in the sentence - proving trustworthiness and earning a reputation. In English, we study language, literature, and communication, which includes analyzing characters and their motivations, understanding narrative structure, and examining themes and symbols. This sentence showcases the protagonist's desire to make a good impression on his neighbors and establish himself as a reliable person.
Learn more about English