Councilors are a noble rank within the Iron Lyons Universe.
A councilor is a lyon within certain communities -- such as Empires -- who can countermand the power of the ruling imperials/royals somewhat on behalf of the people. Typically there are several of them, with one High Councilor among them, and they take a liberal or conservative stance against one matter or another.
Councilors are elected by the people and council seats can be added or taken away at the whim of the ruler, who can also axe the entire Council if they please. Generally, they deal in politics and have the standing to clash with the ruler themselves on matters.