Ram Sewak was set afire by three men in Kaithankheda village under Ajgain police station area last night when he had gone to relieve himself, police said today.
In a bid to save his life, he jumped into a pit of water and was rushed to a Kanpur hospital for treatment where he died this morning, police said.
According to the son of the deceased, his father had complained to the police that the trio - Pappu, Kalicharan and Fatte - had been teasing his daughter.
He said his father also had a property dispute with the trio.
On the complaint of the victim's son, an FIR has been registered and investigations are on, police added.
