The Faraizi Movement was initiated by Haji Shariatullah in the early 19th century in Bengal, which was then under British colonial rule. Haji Shariatullah was a religious leader and an advocate for the rights and welfare of the Muslim peasantry in the region.

Now let's break down the answer into headings and key points:

1. Introduction to the Faraizi Movement:
- The Faraizi Movement was a socio-religious reform movement that aimed to address the grievances of the Muslim peasantry in Bengal.
- It was initiated by Haji Shariatullah, who was a prominent figure in the movement.

2. Haji Shariatullah:
- Haji Shariatullah was born in the late 18th century in the village of Shamail, in what is now Bangladesh.
- He was influenced by the teachings of Islamic scholars and was particularly inspired by the reformist ideas of Shah Waliullah, a renowned Islamic scholar from the Indian subcontinent.
- Haji Shariatullah believed that the Muslim peasantry in Bengal were facing oppression and exploitation under British colonial rule and the local zamindari system.
- He sought to mobilize the peasantry and create awareness about their rights and responsibilities as Muslims.

3. Objectives of the Faraizi Movement:
- The Faraizi Movement had several key objectives, including:
- To promote religious education and moral values among Muslims.
- To fight against social evils, such as the consumption of alcohol and gambling.
- To resist British colonial policies that were perceived as detrimental to the interests of the Muslim peasantry.
- To address the economic and social issues faced by the Muslim peasantry, such as landlessness and high rents.

4. Spread and Impact of the Movement:
- The Faraizi Movement gained popularity among the Muslim peasantry in Bengal, particularly in the districts of Dhaka, Faridpur, and Mymensingh.
- Haji Shariatullah traveled extensively, organizing meetings and preaching his message to the masses.
- The movement provided a platform for the Muslim peasantry to voice their grievances and collectively resist the injustices they faced.
- The movement also had a political dimension, as it challenged the authority of the British colonial administration and the local zamindars.

In conclusion, Haji Shariatullah began the Faraizi Movement in the early 19th century in Bengal. The movement aimed to address the grievances of the Muslim peasantry and promote religious, social, and economic reforms. Haji Shariatullah's efforts played a significant role in mobilizing the peasantry and raising awareness about their rights and responsibilities.