Well I don't know the LS or if it exist but I did find this very interesting support question on POL.
Article No. : Q12359 Created : 2003/06/09 Updated : 2003/06/09
Q. A member of a religious group attempted to convert me during the game.
A. Religious and political canvassing activities are strictly prohibited in FINAL FANTASY XI. If you encounter this type of behavior yourself, please contact a GM immediately.
I will now risk bombardment by rate-downs for my beliefs. /point /laugh (|Christians|) There. Now, if you rate me down, I'm a martyr. >.> I think there is a Christian linkshell though. /tell Zephyrulk, if anyone's a member he is.
Hmm. It's gonna be hard to be a good Christian in the game (if you take the roleplaying really far in the game and use the same christian rules that are used in real life):