shop steward
noun [ C ] uk/ˌʃɒp ˈstjuː.əd/ us/ˌʃɑːp ˈstuː.ɚd/
（由工人选出并代表工人与管理层谈判的）工会谈判代表
a worker elected by workers in a factory or business to represent them in discussions with the management, usually a member of a trade union
See also: steward