блюсти
From LSJ
κατὰ τὸν δεύτερον, φασί, πλοῦν τὰ ἐλάχιστα ληπτέον τῶν κακῶν → we must as second best, as people say, take the least of the evils
Russian > Greek
σώζω, ἀνέχω, ἀνίσχω, παραφυλάσσω, παραφυλάττω, συντηρέω, διαφυλάσσω, διαφυλάττω, διατηρέω, κατέχω, διασῴζω