A person may not: engage in sexual contact with another without the consent of the other; and employ or display a dangerous weapon, or a physical object that the victim reasonably believes is a dangerous weapon; suffocate, strangle, disfigure, or inflict serious physical injury on the victim or another in the course of committing the crime; threaten, or place the victim in fear, that the victim, or an individual known to the victim, imminently will be subject to death, suffocation, strangulation, disfigurement, serious physical injury, or kidnapping; commit the crime while aided and abetted by another; or commit the crime in connection with a burglary in the first degree under § 6–202 of this article, a burglary in the second degree under § 6–203 of this article, or a burglary in the third degree under § 6–204 of this article; engage in sexual contact with another if the victim is a substantially cognitively impaired individual, a mentally incapacitated individual, or a physically helpless individual, and the person performing the act knows or reasonably should know the victim is a substantially cognitively impaired individual, a mentally incapacitated individual, or a physically helpless individual; engage in sexual contact with another if the victim is under the age of 14 years, and the person performing the sexual contact is at least 4 years older than the victim; engage in a sexual act with another if the victim is 14 or 15 years old, and the person performing the sexual act is at least 21 years old; or engage in vaginal intercourse with another if the victim is 14 or 15 years old, and the person performing the act is at least 21 years old. A person who violates this section is guilty of the felony of sexual offense in the third degree and on conviction is subject to imprisonment not exceeding 10 years.