Grim reaper

A Grim reaper is a skeleton wearing a black dress and holding a scythe. Most of the people assume that a Grim is a devil but it's not correct. His job is to collect the souls of people after their death and show them their way. It's almost like harvesting a crop after it's ripe.

People believe to have four lives one for sowing the seed second the growth third harvesting the crop and fouth as using the crop.

Generally , A great sinner becomes a Grim Reaper after having a long period of punishment for their sin. Being a Grim reaper is also long period of punishment for them after completion of their punishment they'll be reincarnated.