据说那个老人是一个能变成狼的皮行者。

They say the old man was a ___skin-walker who could turn into a wolf.

老妇人警告孩子们不要在夜晚外出，以防遇到邪恶的变形者。

The old woman warned the children not to go out at night in case they encountered a ___skin-walker.