ἐκτέμνεσθαί τινας φιλανθρωπίᾳ → disarm and deceive by kindness
harass: P. and V. λυπεῖν, κακοῦν.
overrun: P. κατατρέχειν, καταθεῖν.
infested with: P. and V. μεστός (gen.).