προκήδομαι
From LSJ
οἱ τοῖς πέλας ἐπιβουλεύοντες, λανθάνουσι πολλὰκις ὑφ' ἑτέρων τοῦτ' αὐτὸ πάσχοντες → when people plot against their neighbours, they fall victim to the same sort of plot themselves
English (LSJ)
A take care of, take thought for, τινος A.Pr.629, S.Ant. 741, Tr.966 (lyr.); in later Prose, ἑαυτοῦ prob. in Phld.Rh.2.157 S., cf.J.AJ13.16.6.