Peltasts were light infantry soldiers in ancient Greece, known for their agility and speed on the battlefield. They typically carried a small shield called a pelta and were armed with javelins, allowing them to engage in skirmishing tactics. Their primary role was to harass enemy formations and provide support to heavier troops. These soldiers were often used by various city-states, including Athens and Thessaly, during the classical period. Peltasts played a crucial role in battles, as their mobility allowed them to outmaneuver heavier infantry, making them effective in both offensive and defensive strategies.