INFEST v.
To trouble greatly by numbers or by frequency of presence; to disturb; to annoy; to frequent and molest or harass; as, fleas infest dogs and cats; a sea infested with pirates. To poison vermin that infest his plants. Cowper. These, said the genius, are envy, avarice, superstition, love, with the like cares and passions…
KEEP v. 2 definitions
not to quit; to remain in; as, to keep one's house, room, bed, etc. ; hence, to haunt; to frequent. Shak. 'Tis hallowed ground; Fairies, and fawns, and satyrs do it keep. J. Fletcher.