noun

a bird or mammal, or an imitation of one, used by hunters to attract other birds or mammals.

a decoy duck

verb

lure or entice (a person or animal) away from their intended course, typically into a trap.

they would try to decoy the enemy towards the hidden group

lure,entice,induce,inveigle,ensnare,tempt,seduce,entrap,snare,trap