Keep it in the condition you want it to be. If the others in your life object, tell them the gun is absolutely positively off limits to them until they learn how to shoot from an instructor.
Explain to them the gun is off limits even if someone is breaking down the door and you’re not home.
I need to soft pedal a bit for now. I want to give them reason to appreciate this weapon being in the house. If they still object after a reasonable period of time and effort, then I will have to take the approach you suggest.