English pest, stoat fly, stout
English gadfly, pest, plague, pestilence, blighter, cuss, fist, pain, pain in neck, bug, pesterer, scourge, vermin
Persian آفت کشاورزی, مزاحم
English resistor, resistance
English rival, challenger, competition, competitor, contender, equal
Arabic غريم, مزاحم, منافس, ند, نظير
English interloper, trespasser
Persian خاطی, خلافکار, متجاوز, مخل, مزاحم
English bad hat, bad news, griefer, instigator, mischief maker, squeaky wheel, trouble maker, hooligan, stirrer, troubler
Arabic مثير للمتاعب, مثير للمشاكل
nonrivalrous