electrician n. 电工;电气技师
E.g. The electrician took the houselights down.
physician n. [医] 医师，内科医师
E.g. He prefers to be a surgeon rather than a physician.
2. -ant, -ent：
applicant n. 申请人
E.g. The job applicant must have good verbal skills.
correspondent n. 通信者
E.g. The newspaper has a foreign correspondent.
coward n. 懦夫，懦弱的人
E.g. She accused her husband of being a coward.
drunkard n. 酒鬼，醉汉
E.g. That drunkard flung out the empty bottle.
employee n. 雇员
E.g. The boss dismissed that employee.
examinee n. 应试者
E.g. It required that every examinee put down his/ her name on the answer sheet.
pioneer n. 开拓者，先锋
E.g. Li Dazhao was a pioneer of the Chinese revolution.
volunteer n. 志愿者
E.g. She now helps in a local school as a volunteer three days a week.
6. -er, -or：
manufacturer n. 制造商
E.g. All the goods are labelled with the address of the manufacturer.
survivor n. 幸存者
E.g. Officials said there were no survivors of the plane crash.