The correct answer is: C. lustful

A lecherous man is someone who is sexually obsessed with other people, especially in a way that is considered to be morally wrong. They are often seen as being untrustworthy and dishonest, and they may try to take advantage of others for their own sexual gratification.

Cunning is the quality of being able to achieve one's goals by cleverness, especially when this involves deceiving others. Deceptive is the quality of being able to mislead someone by giving them false information. Dishonest is the quality of not being truthful or fair.

In the given question, the man is shunned because he is lustful. He is always looking for an opportunity to cheat others, which suggests that he is not trustworthy or fair. He is also sexually obsessed with other people, which suggests that he is not morally upright.