A cargo worker is someone who is responsible for loading and unloading goods from ships, trucks, and other vehicles. The job requires physical strength and stamina, as well as knowledge of safety regulations. The two crossword solutions for the term 'cargo worker' are 'loader' (6 letters) and 'lader' (5 letters). Loaders are responsible for loading goods onto ships, trucks, and other vehicles, while laders are responsible for unloading them.