A monarch
The ruler is the king of the class because another word for king is ruler.
the ruler of England
no they have a ruler, not a king
a king
King Arthur
A king
Zeus is the king and ruler of the Greek gods.
King William I Was a Ruler Of great Britain in The Medieval Times. King William I Was a Ruler Of great Britain in The Medieval Times.
the king was
it is a king
monarch
Arthur was Camelot's king.