Read the definitions carefully and select the correct words.
1. someone who works hard doing practical things to achieve social or political change
2. to prevent something unpleasant from happening
3. a type of fence or gate that prevents people from moving in a particular direction
4. a living thing, especially a person
5. to formally ask someone to do something
6. to protest or support something in public with a lot of other people
7. an event at which a large group of people meet to protest or to support something in public
8. someone who takes part in a demonstration
9. the act of failing or refusing to obey
10. a situation in which something is prevented from continuing in its usual way
11. used when you want to emphasize that you mean all of a group, period of time, amount etc
12. to fix all the pieces of something together, and put it in an upright position
13. a person
14. concerning or involving something
15. to reduce something that is difficult, dangerous, or unpleasant to the smallest possible amount or degree
16. something that you feel you must do because it is your duty
17. a group of people who share the same ideas or beliefs and who work together to achieve a particular aim
18. to enter a place in a large group and keep control of it, especially by military force
19. something that you do to show publicly that you think that something is wrong and unfair, for example taking part in big public meetings, refusing to work, or refusing to buy a company’s products
20. someone who takes part in a public activity such as a demonstration in order to show their opposition to something
21. to accept an unpleasant situation or person without complaining
22. when someone opposes or fights against people in authority or ideas which they do not agree with
23. a refusal to accept new ideas or changes
24. to organize a public event
25. to accept somebody/something that is annoying, unpleasant, etc
26. to defend or support a law, system, or principle so that it continues to exist