Plato, Laws 928b

βέλτιον δὲ ἢ τῶν αὑτοῦ κατὰ προθυμίαν. ἕνα δὲ τοῦτον νόμον ἔχων ὀρφανῶν πέρι πᾶς ἐπιτροπευέτω· ἐὰν δὲ ἄλλως τις περὶ τὰ τοιαῦτα πράττῃ παρὰ τὸν νόμον τόνδε, ὁ μὲν ἄρχων ζημιούτω τὸν ἐπίτροπον, ὁ δὲ ἐπίτροπος τὸν ἄρχοντα εἰς τὸ τῶν ἐκκρίτων δικαστήριον εἰσάγων ζημιούτω τῷ δόξαντι τιμήματι τῷ δικαστηρίῳ διπλῇ. ἐὰν δʼ ἐπίτροπος ἀμελεῖν ἢ κακουργεῖν δοκῇ τοῖς οἰκείοις ἢ καὶ τῶν ἄλλων τινὶ πολιτῶν, εἰς ταὐτὸν ἀγέτω δικαστήριον· ὅτι δʼ ἂν ὄφλῃ, τετραπλασίαν

Every guardian shall observe this one law in the discharge of his office; and if any act in such matters contrary to this law, the magistrate shall punish him if he be a guardian, and, if he be a magistrate, the guardian shall summon him before the court of the select judges, and fine him double the penalty adjudged by the court. And if a guardian be held by the child’s relatives, or by any other citizen, to be guilty of neglecting or maltreating his ward, they shall bring him before the same court,