If you use FAQ Slider Plugin with arabic site it will show the text in different encode not on utf-8 to fix this problem add this line
$text = mb_convert_encoding($text, 'HTML-ENTITIES', "UTF-8");
below this line
//1 $text = htmlentities ($text,ENT_COMPAT,'UTF-8',false);
on that file
plugins/content/faqslider.php