It does not matter how big your are if the other person has a gun. Can language be a gun, yes it can.
I learned something useful when I was a kid, it went like this: "sticks and stones may break my bones, but words will never hurt me". So I would say no, language can not be a gun in any way. People have to be able to deal with words. If they can't, how will they survive when they run into a real problem?