A versatile handgun comprised of a weapon frame with a grip and at least one gun barrel and comprised of at least one additional defense element differing from the actual firearm function that is arranged on the grip of the weapon or that is housed in the grip of the weapon. The handgun is capable of making help available in an emergency situation and is capable in so doing of covering a very broad range of dangerous situations. The additional defense element(s) and various other pieces of emergency equipment, medical devices and/or tools could be housed in a slide-in element and different types of barrels could be used.