一个是文档管理员，艾伦，一个无亲无故的健康小伙子。

One, your file clerk . a young, healthy male with no living relatives.

虽然她孤身一人，无亲无故，但邻居们都向她伸出了援助之手。

Although she lives (alone) with no relatives or friends, all her neighbors offer her a helping hand offer to help her.