Eder or Idir (Amharic: እድር), is a social institution in Ethiopia used for mutual aid and grants cooperative insurance within specific community.
It is an association that primarily assists people with self-help activities or infrastructure, and victims with bereavement such as funeral and other security issues in the community.
[3] The association also raises funds and coordinates free labor of members in activities such as building roads, schools, health institutions and others.
Another function of eder is safety insurance when the member of association encounters property (i.e. house) destruction and experiencing farming loss.
[4] Eder was first developed by migrants to Addis Ababa in the early part of twentieth century, passed through the time of Italian occupation with increasing currency, formalization, diffusion and transformation from mono- to polyethnic voluntary organizations.