authoritarian
adj//ɔˌθɔɹ.əˈtɛɹ.i.ən//auktoritär
Of, or relating to, or exhibiting strict obedience to an authority; favoring authoritarianism over civic and individual liberties.
Demanding obedience to authority; marked by authoritarianism; dictatorial, tyrannical.
Tending to impose one's demands upon others as if one were an authority.