﴿ عَامِلَةٌۭ نَّاصِبَةٌۭ ﴾

“toiling [under burdens of sin], worn out [by fear],”

toiling, weary,That is, toiling in this world with innovations (bidaʿ) and aberrations (ḍalālāt), weary in the Hereafter from the punishment in the lowest regions of Hell (darakāt).