One of the ways in which labor unions achieve their goals is by Negotiating on behalf of all their numbers what is the term for this

Collective bargaining

Through collective bargaining, labor unions negotiate with companies that they work for in order to improve their employment conditions, such as benefits, wages, number of working hours, equipment to facilitate the job, certain aids or protections, among others. To carry collective bargaining ensures equality and fair conditions for both the employees and the employers, and protects the flow of business, because when employees are denied their right to organize and bargain collectively, it can lead to strikes, unrest or other forms of industrial conflict or interruption, which stops the efficiency and efficacy of the business.

The Term is collective bargaining. Collective bargaining is where union representatives negotiate with management of companies to get better contracts for thier members. This includes pay increases, better working conditions and better benefits.