τοῖς οἰκείοις βουλεύμασιν ἁλίσκεσθαι → hoist by one's own petard, hoist with one's own petard, hoist on one's own petard, hoisted by one's own petard, be hoist with one's own petard
Frondienst, servitium, z.B. Lykurg ließ die Äcker der Reichen vom niedern Volk zum Fr. bauen, Lycurgus agros locupletium plebi ut servitio colendos dedit.