Plural of bustler; multiple people who move busily and energetically, or are actively engaged in bustling activity.
Simple plural of 'bustler,' formed by adding '-s' to the agent noun derived from 'bustle' and '-er'; maintains the same etymological chain from Germanic roots.
Bustlers as a concept represents a whole category of busy, energetic people in society—the kind who'd run around Victorian parlors checking on servants and making sure everything was in motion.
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