[1] From the late 1970s and onwards he was engaged in advocacy for indigenous peoples and their ambition to retain their traditions and national dignity.

He initially focused on indigenous peoples of the Americas, but eventually on the heritage from ancient Greece.

[1] According to Rassias, he had become critical of Orthodoxy as a teenager in 1976, during an incident where a Greek Orthodox monk used a sledgehammer to destroy the genitals of a replica of an ancient statue of Poseidon at the entrance of the Ministry of Education.

In 2017 it was officially recognised by the Greek government, which granted Hellenic believers the right to openly worship, build temples, perform marriages and funerals, and write their religious beliefs on birth certificates.

[1] He considered the ancient Greek outlook to be timeless, and thought that rediscovering it was the best way to uphold self-determination in a society.