You know, you're dead right, Zenichiro is Parrian. But where in Yairis message did it say don't be loyal to those Guildmembers who don't choose to live in Thakria?.
It's called the Thakrian Loremasters cos they are based in Thakria. You can live in Mercdale if Yairi feels inclined to let you in.
Written by my hand on the 19th of Midsummer, in the year 994.