The phrase "human prey" refers to people who are being hunted or targeted by others for a specific purpose, like hunting or harming them. Full definition
Now the Zombies roam about an airport terminal, searching for human prey and living in fear of the vicious Boneys, the next undead incarnation. (bloody-disgusting.com)
She stalks human prey without emotion and kills these men to harvest their bodies. (dvdmg.com)
Leguizamo stars as Pestario «Pest» Vargas, a hyperactive Miami scam artist who unwittingly agrees to play human prey to a sadistic human (tvguide.com)