Akademik

ty|rant
ty|rant «TY ruhnt», noun.
1. a person who uses his power cruelly or unjustly; one who treats those under his control tyrannically; despot: »

A good teacher is never a tyrant. Necessity is the argument of tyrants; it is the creed of slaves (William Pitt).

2. a king or other ruler who uses his power unjustly or cruelly; despotical ruler; cruel master.
3. an absolute ruler, as in ancient Greece, who owed his office to usurpation. Some tyrants of Greek cities were mild and just.
[< Old French tyrant, earlier tyran, learned borrowing from Latin tyrannus < Greek týrannos tyrant (def. 3)]

Useful english dictionary. 2012.