conferrer
/kən'fɜ:rə/someone who grants, bestows, or gives something, like an honor, gift, or privilege.
noun [专属名词] 授予者
In the class, a teacher should be a conferrer or a guider who teaches us new knowledge or lead us to think about. 在课堂上,一位好老师应该是授予者或者引导者,他能够教给我们新的知识,也能引导我们去思考问题。