marauder

1. N-COUNT If you describe a group of people or animals as marauders, you mean they are unpleasant and dangerous, because they wander around looking for opportunities to steal or kill. 強盜; 劫掠者; 攫食的動物[文學性]

They were raided by roaming bands of marauders. 他們遭到了流竄作案的搶劫團夥的襲擊。