1) Boring teacher 2) Didactic sort 3) Peda ·gog noun ue 4) Teacher 
• (n.) Pedagogue.
Ped'a·gog noun Pedagogue. 
pedagogue, pedagog 1. Originally, a man having the oversight of a child or youth; an attendant (or slave) who led a boy to school; (now obsolete, once used exclusively in reference to ancient times). 2. A teacher of children.3. Someone whose occupation is the instruction of children or youths; a schoolmaster, teacher, preceptor (now used by some in...