Read the dictionary definition of prey. All definitions for this word.
1. animal hunted or caught for food
2. a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence
1. he fell prey to muggers
2. everyone was fair game
3. the target of a manhunt
3. prey on or hunt for
1. These mammals predate certain eggs
4. profit from in an exploitatory manner
1. He feeds on her insecurity