What is someone who raided other countries in a longship?

Someone who raided other countries in a longship is commonly referred to as a Viking. Vikings were Norse seafarers from Scandinavia, active from the late 8th to early 11th centuries, known for their exploration, trading, and raiding activities across Europe and beyond. Their longships were advanced vessels that allowed them to navigate both open seas and shallow rivers, facilitating their raids and settlements.