Person who is a slow waste of time.
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Liberality
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Dawdler
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Tamp
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Taunt
B
Correct answer
Explanation
Dawdler means a person who wastes time through slow movement or idleness - someone who is a slow waste of time. This matches the definition. Liberality means generosity (unrelated). Tamp means to pack down firmly (unrelated). Taunt means to mock or jeer (unrelated - verb vs noun mismatch).