1) An ultra cool person with a unique personality on his on. When someone says you're a Sayn, it literally means they look up to you because A) You have the charisma B) You got what it takes to stand up on your own in the midst of being attacked by the people around you, even without help.
A Sayn normally has a unique sense of fashion that may either attract good impression or simply a subject of insults. But make no mistakes, when someone is a Sayn, he can be verbally agressive and turns the tide of the war. Sayns are usually confident on the inside yet prefer not to show it on the outside.
2) Someone who has a lot of secret admirers yet doesn't know they even exist.
1) John: "I can't stand that guy, I got my friends to mess with him all the time"
Mary: "But I don't think it'll work. He's a Sayn."
2) Greg: "You know I'm kinda sad that no one seems to have a crush on me."
Fisher: "No one? Heh. You must be a Sayn."