Aijaz lives in a country whose economy is based on tradition instead of innovation. He publicly writes and speaks about this type of system hurting more people
Activist is the answer
An activist is someone who actively tries to promote, intervene or effect social, political or economic change in society. These actions can be individual or collective, and can involve a variety of different strategies. In this case, Aijaz's activism is mainly conveyed through his writing and his public speaking events.