wooden box carried on one's back to store items for a pilgrimage
contract (for work); contracting; undertaking
(feeling of) indebtedness; feeling obliged
disguised contracting; fake subcontract; hiring a temporary employee and paying for the completion of the work rather than the work itself, thereby avoiding have to pay benefits
sling (e.g. of a firearm)
to be betrayed unexpectedly; to be stabbed in the back; to be double-crossed
negative selection; purifying selection
master contractor; prime contactor; general contractor