संस्‍कृतशब्‍दकोशः

उपदेशिन्

उपदेश या सीख देने वाला

to be taught or instructed

Monier–Williams

उपदेशिन् — {upa-deśin} mfn. advising, teaching, informing##({ī}), m. a teacher, adviser Hit. Kathās##({upadeśin}), mfn. (in Gr.) a word or affix &c. used in an Upa-deśa (q.v.) Comm. on Pāṇ