One caste, One religion, One God for Mankind
The fourth Onam day is also celebrated as "Chathayadinam", which was the birthday of Sree Narayana Guru, the social reformer from Kerala. He was born in Chempazhanthy in Thiruvananthapuram district. He had born on 'Chathayam' star inMalayalam month 'Chingam' as the son of Maadan Aasan and Kuttiamma. His first name was "Narayanan" (called as Nanu. He was a brilliant student at his academic period in Gurukulam. Later this genius became aware about the evil customs that divide the mankind such as caste divisions, untouchability etc. He hated that evil customs which only upper class got all privileges and lower class was considered as dirty people.
After his education Nanu began to teach children for some period. Then he called as 'Nanu Aasan'.
As a social reformer he tried his best to demolish the unwanted customs and systems. He taught people the message that all people are same infront of God. All are the creatures of God. In humanity there is no caste division or religious difference. Nothing should be a barrier between the loves of men to each other. During the period as a Sanyasi life he spent most of his time with low caste people for encouraging them and strengthen them for build-up their own life status. Guru wrote many books related to social and spiritual improvement.
As combined with Dr. Palpu (a young ezhavist during that period) he founded a trust called Sree Narayana Dharma Paripalana Yogam (The Society for the Implementation of Sree Narayana Dharma). Sree Narayana Guru as life-time President, Dr.Palpu as Vice Prwesident and Mahakavi Kumaranaasan as its General Secretary.
As a social and spiritual reformer of mankind his main commendation is "Oru Jaati Oru Matham Oru Deyvam Manushyane"
Sree narayana Guru died on 21st September 1928. But the values he passed to the society still exist here for developing a better mankind.