Correct Answer: Venial

Solution : The correct choice is the third option .

Explanation:

Venial is an adjective that means a mistake that is minor and pardonable. It is the correct substitute for a slight fault that can be forgiven .

The meanings of the other options are as follows:

• Referral means the act of referring someone for consultation or further action.
• Libertine is someone who indulges in sensual pleasures without regard to moral principles.
• Libel is written defamation.