When people ask questions such as, "if god is all-powerful, all-knowing, and just, then how is it possible that there is so much unearned suffering and unpunished wickedness in the world? " and "if god exists, how can the world be so full of evil? " they are asking about what is known as

They are asking about what is known as omnipotence. Omnipotence is an idea (typically in monotheistic religions) where a single being is all-powerful. This of course raises the aforementioned question of how a being could be both all-powerful and simultaneously be merciful in a world where suffering exists. A merciful and omnipotent god should be able and willing to prevent all suffering according to this idea.