There are several artists using this name
These are photos from concerts where Betrayer played, so they may be of other bands that played the concert as well.
Great American Ghost / Betrayer / Gradual Slip / Granite State Mar 2, 2020 Manassas, Virginia, United States Uploaded by Agnes Owusu
Ingested / Betrayer / Anthropothagite Apr 12, 2019 Southampton, England, United Kingdom Uploaded by Dan Delaney