Tiresias

Tiresias is a blind sage located in Maadoran Merchants Plaza

He is located inside one of the twin houses with stairs, behind the Curio trader. Tiresias can train you Etiquette for 500 gold. If you pass a Streetwise+Charisma(min 7)=[14] check, he would agree only to be paid for 250 gold. Successful training grants you 15 civil skill points.

If you pass Streetwise[7], you can trick him to to give you a Large Module power tube, and gain 2 civil skill points.