a person who is an official member of a nation or state
The citizens of Aristotle’s hometown became slaves.

someone who takes control of something by force
Alexander later became the King of Macedonia and one of the greatest conquerors in history.

the ability to do something brave, even when in pain or danger
The man showed courage when he saved the girl's life.

being in the past; having occurred at a time before now
Bill Clinton is a former president of the United States.

to enter a place for the purpose of taking control of it
The king invaded many other countries.

pieces of writing, such as novels, stories, poems and plays that are regarded as excellent and important
She is studying literature at university so she has to read the works of famous authors.

to have control or influence
The king rules the people of his kingdom.

to train a wild animal to be obedient and gentle
Cowboys can tame cows and horses.

a person who gives private instruction to a student
Her parents decided to hire a tutor to help her with her English.