Words ending
in -or.

act → actor

A person who acts in plays, films or shows.

“The actor took a bow at the end of the play.”

No common root word

A person who writes a book, story or article.

“The author visited our school to read from her new book.”

calculate → calculator

A small machine that does sums.

“I checked my answer with a calculator.”

collect → collector

A person who collects things as a hobby or job.

“My uncle is a stamp collector.”

compete → competitor

A person or team taking part in a contest.

“Each competitor wore a number on their shirt.”

conduct → conductor

A person who leads a band or orchestra.

“The conductor raised her arms and the music began.”

create → creator

A person who makes something new.

“The creator of the game is only twenty years old.”

decorate → decorator

A person whose job is to paint, wallpaper or design the inside of rooms.

“The decorator painted my bedroom blue.”

direct → director

A person who runs a project or tells actors what to do in a film or play.

“The director shouted, “Action!””

No common root word

A person trained to treat people who are ill or hurt.

“The doctor listened to my chest.”

edit → editor

A person who checks and corrects writing before it is printed.

“The editor fixed the spelling in our class newspaper.”

elevate → elevator

A box that carries people up and down in a building; a lift.

“We took the elevator to the tenth floor.”

govern → governor

A person who leads a state or region.

“The governor opened the new bridge.”

inspect → inspector

A person whose job is to check that things are done properly.

“The inspector looked at every classroom.”

instruct → instructor

A person who teaches a skill, such as swimming or driving.

“Our swimming instructor showed us how to float.”

invent → inventor

A person who invents something new.

“The inventor showed us her robot.”

No common root word

The leader of a town or city.

“The mayor cut the ribbon at the new library.”

narrate → narrator

The person who tells a story.

“The narrator of the book is a talking cat.”

operate → operator

A person who works a machine.

“The crane operator lifted the beam onto the roof.”

protect → protector

A person or thing that keeps others safe.

“The big dog was the family's protector.”

sail → sailor

A person who works on a ship or sails a boat.

“The sailor tied a strong knot.”

survive → survivor

A person who stays alive after something dangerous.

“There was one survivor of the shipwreck.”

translate → translator

A person who changes words from one language into another.

“The translator helped us talk to the visitors from Japan.”

visit → visitor

A person who visits a place or person.

“We had a visitor from another school today.”