Shop steward and Union representative

Shop steward noun - A union member who is elected to represent fellow workers in negotiating with management.

Union representative and shop steward are semantically related. In some cases you can use "Union representative" instead a noun phrase "Shop steward".

Union representative noun - A representative for a labor union.

Shop steward and union representative are semantically related. Sometimes you can replace phrase "Shop steward" with "Union representative", this phrases are similar.