Concept:The Farazi Movement was a religious and social reform movement in Bengal, founded by Haji Shariatullah in 1818.
Explanation:The movement’s name comes from "Faraiz," meaning obligatory religious duties in Islam.
Haji Shariatullah aimed to revive pure Islamic practices and oppose un-Islamic customs, including Hindu influences.
He also fought against exploitation by landlords and British colonial authorities.
After his death, his son Dudhu Mian (Dudu Miyan) led the movement and expanded its reach among peasants.
However, the founder was Haji Shariatullah, not Dudhu Mian or Sayyid Ahmad.
Answer:A. Haji Shariatullah