polyworker means someone who polyworks, or works multiple jobs simultaneously. Lexicurio rates it Sui generis — a strength score of 100 out of 100.
noun
- Someone who polyworks, or works multiple jobs simultaneously.“Lately, it's been given a branding makeover: polyworking. In short, polyworkers don't aspire to a single job in their field. Usually, they aim for differing but often complementary professions.”