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A keeper or custodian of a museum

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The list included many mundane, routine tasks.

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The one who loves mankind

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Upon hearing the great achievements of the historic character, he was in a state of awed admiration and respect.

Select the option that can be used as a one-word substitute for the given group of words.One who dies for a noble cause

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A group of guns or missile launchers operated together at one place

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A person who is absolutely necessary for someone or something

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One who is well versed in many languages