The act of performing one's duties outside of the chain-of-command and SOPs.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "freelancing" in a sentence
"And if you are wondering why my freelancing is a secret?"
"Early on in freelancing, the money you made at your part-time work was bonus money, used to splurge on dinner or perhaps buy a nice pair of diamond earrings for the wife."
"Yeah, tell me about it … first time in 40 years I am unemployeed … but I have talent so contract work and freelancing is proving to be a good thing."