Arain are a large Punjabi Muslim agricultural community with a strong political identity and level of organisation.

Punjabi Muslims are adherents of Islam who identify ethnically, linguistically, culturally, and genealogically as Punjabis. With a population of more than 109 million, they are the largest ethnic group in Pakistan and the world's third-largest Islam-adhering ethnicity after Arabs and Bengalis. The majority of Punjabi Muslims are adherents of Sunni Islam, while a minority adhere to Shia Islam. They are primarily geographically native to the Punjab province of Pakistan, but many have ancestry from the Punjab region as a whole.