Quote Originally Posted by Kiokin View Post
No, Yoshida said that thieves wouldn't make sense (what city would allow a guild of theives to run around?) and evolved into rogues, kind of like how marauders used to be pirates.
Jobs don't have guilds. Classes do. Theres no paladin guild. The paladins decided to start teaching their style to select individuals. Theres no Scholar guild. A matter of circumstances led you to your fairy. This can be said about every job in the game. All it takes is some single person offering to teach you in the art of Thievery based on you skillset.