follow+importunately
1haunt — I. v. a. 1. Frequent, resort to. 2. Hang upon, importune, follow importunately. 3. Inhabit, hover about, frequent (as a spectre or ghost). II. n. Retreat, resort, den, frequented place …
2ply — ply1 plyingly, adv. /pluy/, v., plied, plying. v.t. 1. to work with or at diligently; employ busily; use: to ply the needle. 2. to carry on, practice, or pursue busily or steadily: to ply a trade. 3. to treat with or apply to (something)… …