Englishfor English speakers
volunteer
Noun
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A volunteer is someone who does work because they want to, without being paid.
We have one paid manager and five volunteers working on this project.
volunteer
Verb
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To do something voluntarily.
I volunteered to do the dishes after dinner to help my mom clean up.
Julie volunteered an explanation without even being asked.
army
Noun
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The people and organisation, normally in a government, which fights wars.
The army fought in Iraq.
He joined the army when he was 19.
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A large number of people working towards the same thing.
It took an army of people to build that bridge.