What is the faceless man in Game of Thrones?

Related questions

1. Why does jaqen Ghar help Arya?
2. What does yer Jalan Atthirari Anni mean?
3. Does dothraki have subtitles?
4. What is Valar Morghulis coin?
5. Is Arya's sword teacher died?
6. Why were her last words Dracarys?
7. What happened Valar Morghulis?
8. Who gets the iron throne at the end of Game of Thrones?
9. What does Game of Thrones mean?
10. Why did Messandie say Dracarys?

Tags

1. #story
2. #collection
3. #journey
4. #unstoppable
5. #seemingly
6. #faceless
7. #zealous
8. #stark
9. #existed
10. #jaqen
11. #group
12. #assassins
13. #death
14. #mercenaries
15. #serve
16. #primarily