nouns ending in -tor

1. - When you watch sport on TV, this person's job is to described and explain what's happening.
5. - A person who helps the enemy if their country has been invaded by another country.
7. - A person whose job is to kill pests (unwanted animals like insects or rats).
10. - A person who checks that students are not cheating in an exam.
13. - A device which lets fresh air into a building. It's quite common in bathrooms which don't have a window.
14. - A person who has invented something or made something new.
15. - Someone who is able to explain ideas well in a way that other people understand.
16. - A person who joins an organisation but is secretly collecting information about the organisation - an undercover police officer in a criminal gang, for example.
17. - Before the invention of GPS, this person was responsible making sure a ship went in the right direction at sea.
19. - The full name of the appliance which keeps food cold and fresh in a kitchen.
20. - A person whose job is to do the day-to-day tasks or running a business or other organisation.
21. - A person who tries to control other people too much.

2. - A person who constantly says things are bigger or better than they really are.
3. - Someone who makes films which use drawn characters instead of real people.
4. - This person's job is to paint the inside of building and do other related jobs like putting up wallpaper.
6. - A machine which produces electrical power.
8. - A device which is used for burning things which need to be destroyed.
9. - A person (usually a police officer) who asks a suspected criminal lots of questions.
11. - If you push this pedal with your foot in a car, the car will go faster.
12. - In a meeting, this person's role is to make sure everyone gets a chance to speak and make sure the meeting is productive.
18. - A person whose job is to find out how and why something happened - a crime or an accident for example.