Information: - Longowal is a city and a municipal council in Sangrur district in the Indian state of Punjab. Longowal is unique in the history of East Punjab. - India, officially the Republic of India ("Bhrat Gaarjya"), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world. It is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast. It shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the northeast; and Myanmar (Burma) and Bangladesh to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives. India's Andaman and Nicobar Islands share a maritime border with Thailand and Indonesia. Its capital is New Delhi; other metropolises include Mumbai, Kolkata, Chennai, Bangalore, Hyderabad and Ahmedabad. - The insurgency in Punjab originated in the late 1970s, as some Sikhs, including Khalistan proponents, turned to militancy. The roots of the insurgency were very complex with the main factors being inadequate recognition of Sikhism and the Punjabi language and mistreatment from the Indian Congress Government since its formation in 1947. With all schools in Punjab teaching Punjabi children Hindi even after Punjab's linguistic reorganisation, parents and community leaders started to become concerned. - Sangrur district is in the state of Punjab in North-West Republic of India. Earlier Barnala was part of Sangrur district, but now Barnala is a separate district. Sangrur consists of the cities of Dhuri, Lehragaga, Malerkotla, Sangrur, and Sunam. Other cities are Ahmedgarh, Amargarh, Bhawanigarh, Dirba, Khanauri, Longowal and Moonak. - Punjabi (Shahmukhi: ; Gurmukhi: ) is an Indo-Aryan language spoken by over 100million native speakers worldwide, making it the 10th most widely spoken language (2015) in the world. It is the native language of the Punjabi people who inhabit the historical Punjab region of Pakistan and India. Among the Indo-European languages it is unusual in being a tonal language. - Harchand Singh Longowal ( 2 January 1932 20 August 1985 ) was the President of the Akali Dal during the Punjab insurgency of the 1980s . What is the relationship between 'harcharan singh longowal' and 'punjabi people'?
The answer to this question is:
ethnic group