Freelance [free-lans]
noun, Also, free-lance.
A person who works as a writer, designer, performer, or the like, selling work or services by the hour, day, job, etc., rather than working on a regular salary basis for one employer.
Wastrel [wey-struh l]
noun, Chiefly British.
An idler or good-for-nothing.
I still like to think of myself as the former but often feel more the latter these days…