This plugin has a simple purpose, to stop players from killing hostages. It will work only in hostage maps. You can set punishments ( with cvars ) for players that kill hostages. It will also block any damage on a hostage, this mean he won't die but you will think more next time when you want to kill one.
Feature:
pause plugin when you don't run a hostage map
block damage, not just punish the player
more cvars to customize it
you can punish a player in many ways, you decide how