有其師，必有其徒

As the teacher, so the pupil. (idiom)

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

his / her / its / their / that / such / it (refers to sth preceding it)

certainly / must / will / necessarily

surname Tu

disciple / apprentice / believer / on foot / bare or empty / to no avail / only / prison sentence

disciple; apprentice; believer / on foot / bare; empty / to no avail / only / prison sentence

surname Shi

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