diff --git a/lib/fb_graph2/edge/roles.rb b/lib/fb_graph2/edge/roles.rb
index 84d1dce..3dbc3c2 100644
--- a/lib/fb_graph2/edge/roles.rb
+++ b/lib/fb_graph2/edge/roles.rb
@@ -8,6 +8,18 @@ module FbGraph2
             Struct::Role.new role
           end
         end
+
+        def role!(user, params = {})
+          self.post params.merge(
+            user: Util.as_identifier(user)
+          ), edge: :roles
+        end
+
+        def unrole!(user, params = {})
+          self.post params.merge(
+            user: Util.as_identifier(user)
+          ), edge: :roles
+        end
       end
 
       module PageContext