Question

how adivasis are different from Hindus Muslims and Christians?​

Answer 1

Here's the answer

Adivasi is the collective term for tribes of the Indian Subcontinent, who are considered indigenous to places within India wherein they live, either as foragers or as tribalistic sedentary communities. However, India does not recognise Tribe as Indigenous people.The term is also used for ethnic minorities, such as Chakmas of Bangladesh, Tharus of Nepal, and Bhils of Pakistan.

They are not part of the cast system in Hindus. But although many adivasis and other tribes became the part of the cast system. They joined the lower cast in the cast system.