deacon        
noun [ C ] uk/ˈdiː.kən/ us/ˈdiː.kən/
 mainly UK(某些宗教团体的)执事,会吏 
in some churches, an official, either male or female, who is below a priest in rank and who performs some of the duties of a priest
  mainly US(某些宗教团体由非神职人员担任的)辅祭;助祭 
in some churches, a lay person (= an ordinary person without religious training) who helps with the running and organization of the church