For example, if you are trying to reduce teen sexual activity, you might consider gearing some of your strategies to younger children, for whom sex is not yet a personal issue; or, to promote academic success, to work with younger children who still have full potential for learning and school success.
â¢ SERF (noun) The noun SERF has 1 sense: 1. (Middle Ages) a person who is bound to the land and owned by the feudal lord. Familiarity information: SERF used as a noun is very rare.
RSF is a three-letter abbreviation that may refer to 1  : Republican Security Forces, a fictional fascist militia in the British science fiction series Doctor Who. 2  Rhodesian Security Forces. 3  Republican Sinn FÃ©in.  Reporters Sans FrontiÃ¨res; see: Reporters Without 1  Borders. The Road Safety Foundation.  Religious Society of Friends, the Quakers.