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 is a Denied icon. We've made it in iOS style
, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,300 icons, all in the same style and quality.