Deities are the ones who decides the soul's destiny; they cannot die for any reasons and have their own way to deal with souls. Are as old as the universe itself and can change their forms. Both Deities can be encountered, respectively, in the Court and in the Dinning Hall, working all day.
Gods are the ones who ascended by reaching the destiny of their souls (determined by the Primordial Soul) in one life or through many. Some are as arrogant as expected them to be: having the humans to build them temples and idolize them, however, this way also demands them to help the humans in their life. And the others are just living without worries, or so they thought.
Demons are souls who died and refused to reincarnate to a different life and, later, ascend. They are the responsible to torture the souls after they trial and before they re-live; however, the gods and the Court doesn't know that the demons are eating the souls more than ever before and turning stronger. Most of their reasons are love, egoism, revenge, hatred, fear, etc.
Spirits are dead people who have their souls broken or missing; this way, they cannot pass through the Court and reincarnate/ascend. There are some spirits that are considered not human, these are the ones who were simple beings, like plants, that got involved with a strong soul and/or developed a almost complete soul, that made them have a form and human characteristics (this process usually takes centuries).
Reapers, or soul helpers, are the ones who escort the soul into their new life. The path to reincarnate, after passing the Court and the Dinning Hall, are full of hungry demons and lost spirits who wants to drag the soul to sin, so, the reapers job is to protect the souls and they have free pass to kills anything in their past. There isn't much reapers out there, much because, demons, as well as the reapers, can kill easily, which means erase the soul of the universe, and fast, so being a reaper require a huge amount of training.
Juri are the ones who allegedly wasn't supposed to exist, but since the Judge of Souls created them, they begun to be something, a completely new afterlife "job". This are the most impartial and fair souls out there and are insanely rare; they help and judge souls in the Court when their Deity doesn't feel like it, however, before they can give a verdict, the Judge has to approve it,
Here are particular cases of the soul, including humans, souls who are still being tortured or in trial, souls who cannot die because of the consequences and intriguing cases.