We'd probably depict him like this. But with more arms. (From here.)
Although depicted as a four-armed warrior in ancient armour carrying a shield and a spear Teluru is not a god of war. He is the god of protection and guardians and - by extension - patron of the city guards and watchmen. Every military unit tasked with protecting a civilized locale will have a shrine to Teluru in their barracks and if there's enough of them, they'll have selected a dedicated chaplain from amongst their ranks. (About 10% chance of having one for every 100 soldiers, maybe? I don't know, something like that sounds reasonable.)
For all intents and purposes, this chaplain functions like a cleric of any other god, with some slight exceptions. Firstly, the chaplain does not share the weapon restriction the other clerics have to deal with - instead of all the weapons possible he or she can only carry a spear or another polearm. And secondly, through practice with the weapon, the chaplain wields it as a fighter would.