Synonyms for Prey (same or very similar meaning)
WordNet sense 1 (a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence):
quarry, target, fair gameWordNet sense 2 (profit from in an exploitatory manner):
feedWordNet sense 3 (prey on or hunt for):
predate, raven, ravenFrom the ODE community, based on WordNetadd/edit