A trade union is an organization formed by workers to protect their rights and interests in the workplace. Members of a trade union come together to negotiate better wages, working conditions, and benefits with their employers. By uniting, workers can have a stronger voice and more influence in discussions about their jobs. Trade unions also provide support and resources for their members, such as legal assistance and training programs. They often engage in collective bargaining, where representatives negotiate on behalf of the members. This helps ensure fair treatment and can lead to improved workplace standards for all employees involved.