教师爷

master of martial arts, in former times often employed by a landlord to teach fighting skills and guard the house / (fig.) sb who arrogantly and condescendingly lectures others

surname Jiao

to teach

religion / teaching / to make / to cause / to tell

teacher / CL:個|个[ge4]

surname Shi

teacher / master / expert / model / army division / (old) troops / to dispatch troops

grandpa / old gentleman