Sewadar is a Punjabi

Punjabi language

Punjabi is an Indo-Aryan language spoken by inhabitants of the historical Punjab region . For Sikhs, the Punjabi language stands as the official language in which all ceremonies take place. In Pakistan, Punjabi is the most widely spoken language...

 word for a volunteer who offers his/her services to a Gurdwara

Gurdwara

A Gurdwara , meaning the Gateway to the Guru, is the place of worship for Sikhs, the followers of Sikhism. A Gurdwara can be identified from a distance by tall flagpoles bearing the Nishan Sahib ....

 or to the Sikh

Sikhism

Sikhism is a monotheistic religion founded during the 15th century in the Punjab region, by Guru Nanak Dev and continued to progress with ten successive Sikh Gurus . It is the fifth-largest organized religion in the world and one of the fastest-growing...

 community free of charge. It is a term used to refer to a person who performs sewa

SEWA

The Self-Employed Women's Association of India is a trade union for poor, self-employed women workers in India. SEWA was founded in 1972 by the noted Gandhian and civil rights leader Dr Ela Bhatt. SEWA's main office is located in Ahmedabad, Gujarat, and it works in several states of India. SEWA...

(work, service or assistance of any kind) without looking for any physical or spiritual reward or any payment of any kind. A sewadar helps purely because of his/her dedication to guru/god and as part of his/her duty to the wider community.