A dictator is a ruler who governs oppressively or brutally.
no
julus Caesar and octavian
despot, dictator, tyrant
ruler
a monarchy (British)
A country with no hereditary ruler; the head of state is elected
The Monarch (generally a hereditary King or Queen).
An absolute monarchy is where the king or queen (or other hereditary title) has absolute authority over those he/she governs and is not bound by law or a constitution. Basically a hereditary dictatorship.
Lineal (measuring device) Herrscher (a person who rules or governs)
Their ruler was an hereditary king.
The United Arab Emirates does not have a king, it has a hereditary ruler who is normally the president of the country. In 1991 the ruler was HH Sheikh Zayed (father of the current ruler)