shop steward

noun
1.
a unionized employee elected to represent a shop, department, or the like, in dealings with an employer.
Also called committeeman, shop chairman.
Origin
1910-15
Examples from the web for shop steward
  • He is a stalwart and solemn-faced shop steward, a provokingly pompous, priggish type.
  • The shop steward came to her and dressed her down right there in the office.
British Dictionary definitions for shop steward

shop steward

noun
1.
a coworker elected by trade union members to represent them in discussions and negotiations with the management