black-collar

Of or pertaining to employment in the black market; that is, to engagement in illicit trade or distribution of untaxed goods and services.

Rewards necessarily drop for the former — not only because their numbers increase relatively but also because their output per man-hour does not rise as rapidly as that of the black-collar worker.

What attitudes, types of ideas and particular experiences would lead a "blue collar worker" to perceive the evidence of the defendant's guilt differently than a white, pink or black collar worker?

Relating to creative work.

black-collar worker

In Helsinki, the inner-city workers' housing which was once uniformly red, now occupied by ‘black-collar’ workers—creative industry types who wear a T-shirt to work—votes solidly green.

Relating to coalminers and oil workers.

Even if you add to this the 4200 jobs created each year by the energy-efficiency measures for which the Rudd government claims credit, it is completely negated by the ‘black-collar’ jobs being added as Queensland and New South Wales expand coal exports.

Relating to the clergy.

This is scarcely the first crisis involving what an Australian victims' group, Broken Rites, has termed black-collar crime. But never before has a scandal cast doubts on the judgment and authority of a pope.