steward (stewards plural )
1 n-count A steward is a man who works on a ship, plane, or train, looking after passengers and serving meals to them.
2 n-count A steward is a man or woman who helps to organize a race, march, or other public event.
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shop steward
shop steward (shop stewards plural )A shop steward is a trade union member who is elected by the other members in a factory or office to speak for them at official meetings.
(BRIT) n-count