A brokenserver. It can however still be in production if only to annoy its users.
-OMFG! You installed the game server on a bladefist??!!
-STFU n00b! We'll still make tons of money! Users can't move to another server anyway!! Working as intended. Noob!
Friend, family, lover, someone who is among the most trusted and so close to you, one who is so close they can actually set a blade in your back as they betray you.
My girl and my friend sleeping around behind my back, well I got something for them bladesetters.