In the Rigveda, Varuna is described as the guardian of the cosmic order. This means that he is responsible for maintaining the natural balance and harmony in the universe. Varuna is considered to be a moral deity who watches over the behavior and actions of humans, ensuring that they adhere to ethical standards and follow the laws of the universe.

Option 1: Harbinger of peace - This option is incorrect. While Varuna may be associated with peace in some contexts, his primary role is as the guardian of the cosmic order.

Option 2: Destroyer of foes - This option is incorrect. Varuna is not depicted as a violent or aggressive deity. His focus is on maintaining balance and order, rather than engaging in warfare or destruction.

Option 3: Guardian of the cosmic order - This is the correct answer. As mentioned earlier, Varuna is responsible for ensuring that the natural balance and harmony in the universe is maintained.

Option 4: God of prosperity - This option is incorrect. While Varuna may have some associations with prosperity, his main role is as the guardian of the cosmic order.

Alert - correct answer should be None.