Yes, especially when they're stating it as fact with no solid proof other than suspicion. It's conjecture.

Not if they don't know it's not true

No that makes them delusional

What if proof is no longer in existence? It doesn't mean the truth never existed at all.💡 I see things multidimensionally.

it makes them a hostile enemy ..

but the fact that you say something is unprovable and untrue makes me question how valid your view is

If they’re doing it on purpose site

But if not then they’ve been misinformed

Yes and fake

A good person should never be labelled

Currently that is called a gaslighter.

Yea

Yup

Yes

Yes! And they should face a penalty.

They could be a liar or it could be their interpretation of the events in which case they wouldn’t be a liar but maybe misunderstood

No. It makes HIM or HER a liar.

Not necessarily, truth and fact are different.

Not true = liar

It means they’re lying in this instance, at least. Or at best, mistaken.