How to Stop a Cat From Meowing

The cat sits outside the door and meows until I let it in so I thought every day that is a nice thing to do honestly if my neighbor said can my cat come into your house. It's like someone having a gun to your head when a cat meows okay outside your door exactly as well obviously Dan the man at the moment lives in France and he told me the name of the cat is Ross which is a very French name isn't it? "I literally never go out because I don't know how I've offended anyone"