What is a person who doesnt like religion?

Non-religious people can be called atheists or agnostics, but to describe things, activities, or attitudes that have nothing to do with religion, you can use the word secular.

What is it called when you dont care if there is a God?

Apatheism (/ˌæpəˈθiːɪzəm/; a portmanteau of apathy and theism) is the attitude of apathy towards the existence or non-existence of God(s). An apatheist is someone who is not interested in accepting or rejecting any claims that gods exist or do not exist.