People who willingly, without any form of coercion, become hosts to demons, ghosts, or other spirits. Also willing hosts to physical parasites, symbionts, or similar.
Alternate name: Demon hosts
The first video game about Spirit hosts was released on December 20, 1996.
THQ has published all these games
This tag is applicable regardless if the original person "survives" the process of hosting, only thing that's required is that they did it willingly without coercion.