Reduces a guild member's rank by one. The player can only demote members whose rank is below the player's own, and only if the player has permission to demote (i.e. if CanGuildDemote() returns 1).
See also Guild functions.
Signature:
GuildDemote("name")
Arguments:
name- Name of a guild member to demote (string)
This function is deprecated and is no longer in use