"Don't come closer" or "Stop, wait!" The spread out hand can also indicate the number 5 or a high five.
The hand with fingers splayed: Light Skin Tone emoji was introduced in 2014 and released as part of the Unicode 11.0 standard. This emoji can be found under the people and body
category. Because the hand with fingers splayed: Light Skin Tone emoji has been around for quite some time, it should display correctly in the majority of operating systems.