pedagogue
/ˈpedəgɒg/noun
- archaic or humorous a teacher, especially a strict or pedantic one〈古或幽默〉教师（尤指卖弄学问的教师或学究）。
词源
late Middle English: via Latin from Greek paidagōgos, denoting a slave who accompanied a child to school （from pais, paid-'boy'+agōgos 'guide'）.