You are all clients of a member of the nobiles whose son is being submitted for the position of Aedile, and as clients of his family you are supposed to rally round and get him elected. In effect this means promoting his virtues in speeches, making sure his abilities are lauded and ensuring by almost any means possible to get him the job as a first step on the way to greater things. If this means digging the dirt on the other candidates then that is fair game in the rough and tumble world of Republican politics.
A political game using Mythic Rome (The free Mythras Imperative pdf is all you need if you want to seek out rules).