The infliction of physical or mental injury, sexual abuse, exploitation or negligent treatment or maltreatment of a person under the age of 18. Sexual abuse refers to engaging in or attempting to engage in a sexual act or sexual contact with a minor, causing or attempting to cause a minor to engage in sexually explicit conduct or exposing a minor to sexually explicit conduct. Neglect includes the failure to meet a child’s basic needs or make reasonable effort to prevent the harm or infliction of abuse upon a minor.