Why does the devil say that Deacon Peabody will be damned What else do you learn Deacon Peabody has done which might be seen as a sin?

The devil claims that Deacon Peabody will be damned because he is hypocritical, presenting himself as a pious man while engaging in immoral behavior. It is revealed that Peabody has exploited the vulnerable, such as cheating the poor and using his position for personal gain. This duplicity highlights his sinful nature, as he fails to live according to the very principles he preaches. Ultimately, his actions reflect a deeper moral corruption that contradicts his outward appearance of righteousness.