What do you not believe?

Why you don't ask someone what people don't believe in? The number of entities are limitless, picking one or a few wouldn't do justice, so the appropriate answer is vague in nature. My answer to the question:

What kind of God don't you believe in? That is, what is "God"?

The definition of God is determined by the person bringing the claim. Sherpas might call Sagarmāthā a God, the Mayans might call the planets Gods, it would be foolish to deny the existence of Mt. Everest and the planets, so generally God includes attributes of benevolence, omnipotence, omniscience, but they are not limited to those attributes (For example, many claims are made about his wishes, miraculous events, etc.). Basically, it is determined by who is presenting the claim, but generally, anything supernatural is rejected.