Here "conduct" refers to a person's character or the way he lives, and "free from the love of money" refers to not greatly desiring to have more money. A person who loves money is not content with the amount of money he has. AT: "Let your conduct not be affected by the love of money" or "Do not greatly wish to have more money"
The author uses a question to emphasize that he does not fear people because God is helping him. Here "man" means any person in general. AT: "I will not fear what any person can do to me!" (See: [[rc://en/ta/man/translate/figs-rquestion]] and [[rc://en/ta/man/translate/figs-gendernotations]])