try here.
http://forgeofempires.wikia.com/wiki/Guild
Basically it breaks down like this,
Roles and Permissions
Founder
A member with
Founder rights is in total control of the Guild and has all the rights and privileges listed below. When you start a Guild, you are the Founder.
Leader
A member with
Leader rights has all the permissions of a
Moderator and
Inviter and is granted
Trustedprivileges. A
Leader can also change the Guild's description and crest and can create and edit sub-forums within the main forum. A member with Leader rights can also delete and remove armies in GvG Provinces, as well as remove a siege that has been laid. A leader can delete guild members.
Inviter
A member with
Inviter rights can invite members.
Moderator
A member with
Moderator rights can administer the main forum only.
Notifier
A member with
Notifier rights can send messages to all members.
Trusted
A member with
Trusted has the ability to view hidden threads in the Guild Forum. It also has the ability to lay sieges in GvG Provinces, and thus utilize goods from the Guild Treasury. It can also move GvG province HQ's.