Manava Dharmashastra 2.206

2.206

ayamadhyatideśaḥ | ācāryādanye upādhyāyādayo vidyāguravaḥ | teṣvevameva vartitavyaṃ, ‘śarīraṃ caiva’ (2 | 162) ityādikṛtyā | svayoniṣu jyeṣṭhabhrātṛpitṛvyādiṣu | nityā vṛttirguruvṛttiḥ | vidyāgurūṇāṃ tvācāryavyatirekeṇa yāvadvidyāgrahaṇam | adharmāt akāryātparadāragamanādeḥ pratiṣedhatsu vayasyeṣvapi | abhyantaragatyārūḍhatayā'kāryaṃ cikīrṣantyaḥ suhṛdādistam “ākeśagrahapānmitramakāryebhyo nivartayet” iti—tasminsamahīnavayaske'pi guruvadvartitavyam | hitaṃ ca vidhirūpamagrantharūpam upadiśatsu | athavā hitasyopadeṣṭāro'bhijanā ucyante |

Medhātithi’s commentary (manubhāṣya):
This also is an instance of ‘Transference.’

Teachers other than the Preceptor are called here ‘intellectual teacher’—such as the Sub-Teacher and the rest. One should behave towards these just as it has been detailed above (under 192 et seq.).

‘Towards blood-relations’—i.e., towards the elder brother, the paternal uncle, etc

‘Constant behaviour’—i.e., behaviour as towards the Preceptor.

As distinguished from the ‘Preceptor,’ the other ‘Intellectual Teachers’ are to be so honoured only during the period of one’s learning under them.

‘Towards persons’—friends and others—‘restraining him from sin’—i.e., from evils, such as connection with other women and so forth. It has been said that when one is found to be thinking within himself of doing some evil deed, then his friends and others ‘should restrain him from sin, even to the extent of dragging him by his hairs’; and towards one who restrains him in this way, he should behave as towards his Teacher,—even if he happens to be of equal or inferior age.

Also towards those who give salutary advice, independently of books. Or, ‘giver of salutary advice’ may be taken as standing for noble-minded persons in general.—(206)