In its simplest form, being an anti-masker means that you are against wearing a mask during Covid-19. Anti-maskers don’t seem to care whether it’s a local government or a private business asking (or recommending for) someone to wear a mask (the latter shows the hypocrisy of so-called “free-market” conservatives).
Although annoying, I wouldn’t say wearing a mask improperly — like wearing it as a chinstrap or not covering nose — is sufficient to make one an anti-masker.
With regards to governments recommending wearing of masks, there’s nothing authoritarian about that. And with…