(a) A Market Union is the coming together of various traders who sell similar commodities or products in a particular market to advance and protect the interests its members.
(b) Functions of Market Facilitators;

They give loans to market union members.
They Provide overdraft to channel members.
They accept deposits from channel members.
They provide warehousing facilities for goods.
They move goods from one place to another.
They render Security services to market operators,
They insure goods and services against business risk
They advertise goods for producers,
They provide means of communication between buyers and sellers.
They provide advisory and consultancy services.

(c) Roles of Garri Sellers Union:

They settle disputes among members,
They help to promote unity among members.
They encourage joint purchase of products among members to enjoy economics of scale,
They disseminate useful information in the market to their members.
They offer financial assistance to members in the form of loans and grants.
They educate their member, on appropriate selling techniques.
They present a common front in their negotiations with government and other organized institutions.
They mobilize financial contributions and collections among members on weekly and monthly basis.