李大钊是中国革命的先驱。

volunteer n.志愿者

例句：

She now helps in a local school as a volunteer three days a week.

她现在作为一名志愿者每周三天在当地一所学校帮忙。

6.-er，-or：

manufacturer n.制造商

例句：

All the goods are labelled with the address of the manufacturer.

所有商品均标明了生产厂家的地址。

survivor n.幸存者

例句：

Officials said there were no survivors of the plane crash.

官方说这次飞机失事无一人生还。

7.-ese：

Chin(a) + ese→Chinese n.中国人;汉语

例句：

Remember you are a Chinese wherever you go.

不论你到哪里，记住你是中国人。

Japan + ese→Japanese n.日本人;日语

例句：

Not only did he speak English well,but he spoke Japanese more easily.

他不但英语说得好，就连日语也讲得轻松自如。

8.-(r)ess：

host+ ess→hostess n.女主人

例句：

The hostess gave us a cordial greeting.

女主人热忱地欢迎我们。

act+ ress→actress n.女演员

例句：

The famous actress is now appearing at the Capital Theatre.

目前这位著名女演员正在首都剧场演出。

9.-ian：

logic+ ian→logician n.逻辑学家

例句：

As the founder of pragmatism,firstly and mostly Peirce was a logician.

作为实用主义的鼻祖，皮尔士首先和主要是一位逻辑学家。

mathematic+ ian→mathematician n.数学家

例句：

Einstein is identified with a higher mathematician.

爱因斯坦被列为高等数学家。

10.-ist：

drama+ (t)ist→dramatist n.剧作家

例句：

Shakespeare is,by common consent,the greatest English dramatist.

莎士比亚被公认是英国*伟大的剧作家。