a person who expresses a theory in a particular area of experiencea philosopher of freedom
a philosopher of freedom
ideologue(also idealogue), theoristexponent, expounder, guru, high priest, interpreter, practitionerdean, doyen, grand old manadvocate, apostle, backer, booster, champion, promoter, proponent, supporter
in the 14th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。