Concept:The Satnami movement was founded by Guru Ghasidas in the 19th century, focusing on social equality and ethical living.
Explanation:Guru Ghasidas started the Satnami movement in the 1820s in present-day Chhattisgarh.
He preached self-restraint, dietary discipline, and social equality.
The sect rejected caste hierarchies and challenged political and religious authority.
The term "Satnam" comes from Sanskrit 'satyanaman', meaning "he whose name is truth".
The earliest Satnamis were mendicants and householders founded by Birbhan in Punjab in 1657, but the movement in question was established by Ghasidas.
Thus, the correct founder is Ghasidas.
Answer:C. Ghasidas