les bonhommes de neige
The French are called "Les Français" in French.
In French, it's called sel
They are called French.
a prostester is called 'un manifestant' in French. A demonstration is called une manifestation in French.
a lion is called 'un lion' in French.
A French mother is called "une mère" in French.
Spain is called l'Espagne in French.
amphibians are called amphibiens in French.
Hindi is called "hindi" in French.
French people
A ruler is called 'une règle' (fem.) in French.
In French, people born in French Guiana are primarily called "français / française", as French is their nationality. If we need to refer to their region of origin (called in French "la Guyane"), then they are called "guyanais / guyanaise"