There is a roleplay community on Gilgamesh as well. As mentioned just take a look at the Gilgamesh linkshell forums and find an rp FC that is appropriate for your tastes.
http://ffxiv-roleplayers.com/forumdispla...=Gilgamesh
http://ffxiv-roleplayers.com/forumdispla...=Gilgamesh
A good FFXIV lore site: http://ffxiv.gamerescape.com/wiki/Eorzea