Disrespect is a takedown gear perk on the Prisoner's Wrap. During a Machete Kill you can grab the enemy's sidearm and use it to shoot another soldier nearby.
When you perform a Machete Kill, a prompt lets you pull the soldier's pistol and fire at a second target. It works well against guards standing close together.
Fun and useful for close stealth play. The shot is not silent, so nearby soldiers can still hear it.
Face Your Foe lets you take down alerted enemies from the front, giving you more chances to trigger it.