干预者 meaning in English

intervenor n
meddler

Effects of different leaders on preventing adolescents ' smoking behavior
不同干预者在青少年吸烟行为预防干预活动中的作用
Conclusion community nurses are effective interventions to adolescent who want to give up smoking , community nursing intervention can obviously decrease the adolescent ' s dependence on nicotine , and improve their life quality
结论社区医务工作者是青少年戒烟的有效干预者；社区护理干预可明显降低青少年吸烟者对尼古丁的依赖性，提高生命质量。