śāstṛ́ m. a chastiser, punisher, [MBh.]; [Kāv.] &c.
a ruler, commander, [TS.] &c. &c.
a teacher, instructor, [Āpast.]; [MBh.]; [Hariv.] &c. (also applied to Punishment and to the Sword personified)
N. of Buddha, [Rājat.] (accord. to [L.] also ‘a Jina or the deified teacher of either of these sects’)
a father, [MW.]