It is an icon of remove user male. This logo is a minus sign that's covering part of the man's shoulder. The man is pictured facing forward with a circle with a minus sign that is placed on his left shoulder.
This Denied icon has Android KitKat style
. If you use the icons for Android apps, we recommend using our latest Material Icons icon pack (please check our sidebar on the right). Otherwise, it's a solid icon pack that looks good in small resolutions, either on the web or in print. It's characterized by thick lines, smooth corners, and is optimized for 24x24 pixels.