Similar word to badgerer:

annoyance, badgerer, bane, besetment, blight, blister, bore, bother, botheration, bug, contagion, crashing bore, creep, curse, drag, drip, epidemic, exasperation, headache, infection, irritant, irritation, nag, nudge, nuisance, pain in the neck, pain, pesterer, pestilence, pill, plague, scourge, tease, thorn in side, tormentor, trial, trouble, vexation, virus