adds Valuator

app/models/user.rb

@@ -12,6 +12,7 @@ class User < ActiveRecord::Base
 
   has_one :administrator
   has_one :moderator
+  has_one :valuator
   has_one :organization
   has_one :lock
   has_many :flags
@@ -92,6 +93,10 @@ class User < ActiveRecord::Base
     moderator.present?
   end
 
+  def valuator?
+    valuator.present?
+  end
+
   def organization?
     organization.present?
   end

app/models/valuator.rb

@@ -0,0 +1,6 @@
+class Valuator < ActiveRecord::Base
+  belongs_to :user, touch: true
+  delegate :name, :email, to: :user
+
+  validates :user_id, presence: true, uniqueness: true
+end