Athiesm is denying of any gods and supernatural forces Agnostic Is saying nothing is known or can be known for the existance or nature of god Thiest Is a person that believes everything wrote on the bible/Quran For your question Buddhist can be a good example for people who believe in spirituality but not a personal god There are some philosopical catagories like Absurdism Nihilism Existansialism

Atheists deny the existence of God Theist believe in the existence of God Agnostic Neither believe nor deny the existence of God they just claim they don't know All the three are believes For the other question peoples who believe in sprituality but not specific God can be cathagorized in either of the three group based on their teaching Example Budhism is a god less religion And Some pantheist religions(who believe every one is god) can be catagorize in either atheist (due to absence of specific god) Or theist because the belief of devinity in every one

Atheists don't believe in god at all Theists believe in a supernatural force(god) Agnostics are confused they're not sure whether god is there but they just can't accept the theory of evolution they believe there is some sort of supernatural force there but they just can't be sure

How spiritual?

Well

They are called "taot amlakiwoch"

Don't dig in those types of shit, better unknown. Trollzzz