Englishfor English speakers
assistant
Noun
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An assistant is a person who helps (or assists) another person.
The doctor's assistant held his tools.
assistant
Adjective
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If you are assistant, you have a position under someone.
The assistant guard was in training to become a full guard.
chief
Noun
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A leader or respected elder in a tribe.
They came to the chief to resolve their dispute.
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The head of an organization.
All firefighters report to the fire chief.
chief
Adjective
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The chief thing is the primary or principal thing.
The chief cause of his death was cancer.