Barbarism, barbarity, savage and savagery opposite to supremacy or supremacist.

What denote:”barbarism” or “savagery” ?
Whilst human beings are intellectual beings, to an unwell skilled or properly skilled:emotions can supercede intellectual capabilities in meeting our day to day survival challenges.
Weak persons can attack those whom they regard a threat from an emotional foccal point and disturb a target’s capabilities to deal with an immediate challenge, danger or threat.
Supremacy:amongst those it is great skillfulness and know-how to out-smart things opponents fair and aquire,command or control without fowl-play, deceit, tricks or savagery either barbarity.
When barbarity and savagery is a method by which a self-claimed supremacist apply to achieve. You must ask how supreme is this so-called supremacist?