There are multiple definitions - click on the translation that matches your context.
trade union means:
Arbeitnehmervertreter means:
Substantiv
partial
noun
Inasmuch as trade unions represent a company's employees vis-a-vis management and ownership, this English phrase can be used as a general conceptual touchstone of understanding for the American or UK counterpart - i.e., the basic notion of employees pooling together to delegate a person or small group to represent them as against the employer-corporation.
an organization formed by workers to negotiate (=to try to reach an agreement through formal discussions) with an employer about wages and working conditions
The station-by-station review will continue with all the trade unions invited to participate and contribute.