Sexual abuse or sex abuse, also referred to as molestation, is abusive sexual behavior by one person upon another. It is often perpetrated using force or by taking advantage of another. Molestation often refers to an instance of sexual assault against a small child, whereas sexual abuse is a term used for a persistent pattern of sexual assaults. Most often, sexual abusers know the child they abuse but are not relatives. In fact, about 60% of perpetrators are non-relative acquaintances, such as a friend of the family, babysitter, or neighbor. Learn more on wikipedia