Englishfor English speakers
presenter
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noun
someone who presents a message of some sort (as a petition or an address or a check or a memorial etc.)
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noun
an advocate who presents a person (as for an award or a degree or an introduction etc.)
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noun
(= donor)
person who makes a gift of property
tool
Noun
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A tool is an object that you use to do a specific job, such as a hammer.
I used to fix my own car, but I sold all my tools.
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A tool is a person being used by another person or organization.
He is such a tool. He should think for himself, instead of doing everything they tell him to do.