“…Ideas shape actors' interests and their particular interests can be later used as self-reinforcing mechanisms to keep or to change a set of abstract ideas (Münnich 2010). Ideas and interests thereby ground the cognitive structures according to which global actors shape the world, or the multiple variations and possibilities of the world that come into existence (Onuf 2016). In the case of girl soldiers in Colombia, the idea behind the definition of child soldiers stress age and victimhood as the leading indicators of belonging to a group (child soldiers).…”