Cyr., 2, 1 , 11

ἄρχοντος γάρ ἐστιν οὐχ ἑαυτὸν μόνον ἀγαθὸν παρέχειν, ἀλλὰ δεῖ καὶ τῶν ἀρχομένων ἐπιμελεῖσθαι ὅπως ὡς βέλτιστοι ἔσονται.
Should we supply αὐτὸν ? as δεῖ αὐτὸν καὶ τῶν ἀρχομένων ἐπιμελεῖσθα or is it good like that?

No need to insert αὐτόν.