Ruler
Ruler
A ruler is someone that has power, a leader.
For example the leader of a country.
Explicit explanation
More than one person can be the ruler.
Examples for the UK:
The Queen is a ruler.
The House of Lords is a ruler.
The House of Commons is a ruler.
The word "ruler" is not always meant in a nice way.
Most people using this word mean a "bad or mean" ruler.