freelance

Someone who sells their services to clients without a long-term employment contract.

The objector, one Millworthy, a free-lance of journalism, was not to be so easily silenced.

The person you are revising (the revisee) is a colleague at your own rank, or another freelance.

A medieval mercenary.

I—I offered Richard the service of my Free Lances, and he refused them—I will lead them to Hull, seize on shipping, and embark for Flanders; […] Trust me, Estoteville alone has strength enough to drive all thy Free Lances into the Humber.

Of or relating to a freelance; without a long-term employment contract.

He was a freelance writer for several magazines.

Both work -- Jenny as a freelance writer from home, Marc full-time-plus as a civil engineer with a long commute. Jenny also takes care of their four sons, ages 20 months to 9 years, and homeschools the two oldest.

To work as a freelance.

To produce or sell services as a freelance.