Shivism

A Shiv shishya or Shiv shisya is a disciple of Lord Shiva who worships Shiva as their Guruteacher, in the Hindu religion.It is mentioned in various texts of Hindus that Lord Shiva works as teacher.One of the primary 'Shlokes',preaching of hindus state that 'Guru Brahama Guru Vishnu Guru Devo Maheshwara',which also tells the existence of Shiva as Guru.

https://en.wikipedia.org/wiki/Shiv_shishya