נָגַשׂ nâgas (H5065)

to drive (an animal, a workman, a debtor, an army); by implication, to tax, harass, tyrannize

1) to press, drive, oppress, exact, exert demanding pressure 1a) (Qal) 1a1) to press, drive 1a2) to exact 1a3) driver, taskmaster, ruler, oppressor, tyrant, lord, exactor of tribute (participle) 1b) (Niphal) to be hard pressed

a primitive root;