Index: theme/base/style/user.css
===================================================================
--- theme/base/style/user.css	(revision )
+++ theme/base/style/user.css	(revision )
@@ -49,4 +49,5 @@
 /** Overide for RTL layout **/
 .dir-rtl .userprofile .profilepicture {float:right; margin-left:20px;margin-right:0px;}
 .dir-rtl .descriptionbox {margin-right: 110px;margin-left: 0px; }
-
+.dir-rtl .userlist table#participants td, .dir-rtl .userlist table#participants th {text-align: right;}
+.dir-rtl .userlist table#participants {margin: 0 auto;}
\ No newline at end of file