translate this sentense ,please.thank you.

And with a marauding coyote savaging sheep on the surrounding farmsteads, his sworn duty is to protect the meagre livelihoods of his neighbours.

并且与在周围的农庄的一只掠夺的土狼非难的绵羊，他的发誓的义务是保护他的邻居贫乏生计。

巡行作案的土狼 在周围的农庄 攻击羊 ,他所发誓的义务就是保护他的邻居,使他们不贫穷...咋那么别扭呢..