“执行者”用英语怎么说？

他因是个严格纪律执行者而闻名遐迩。He has a reputation for being a strict disciplinarian.我是遗嘱执行者之一.I was one of the executors.认为这些静止而闪烁的光亮是上帝意志的执行者.Those still and shining lights were the executioners of God's decrees....