A servant is someone who is employed to work at another person's home, for example as a cleaner or a gardener.
N-COUNT
提供服務的人(或事物);可以利用的人(或事物)
You can use servant to refer to someone or something that provides a service for people or can be used by them.
例句
Like any other public servants, police must respond to public demand...和其他所有公務員一樣，警察必須服務于公眾的需求。The question is whether technology is going to be our servant or our master.問題是科技將為我們所用還是要駕馭我們。