The noun form of the adjective insubordinate is insubordination.
The insubordinate girl was scolded by her parents.
Mary's remark was so insubordinate, she was fired immediately.
That is the correct spelling of the adjective "insubordinate" (disobedient, rebellious).
No, someone who is insubordinate is a person refusing or failing to obey.
The insubordinate soldier repeatedly interrupted his commanding officer.
A position.
An antonym (opposite) of 'insubordinate' is not on that list. "Mutinous' is sort of a synonym.
In Initiate Initial Insubordinate Insinuate
insubordinate, insurgent, insurrectionary, mutinous, rebellious, revolutionary
If the civilian is not in the officers chain of command the it is not possible to be insubordinate. If the civilian is in the chain of command then the process is exactly the same as insubordination to any other superior.
That is the correct spelling of the adjective "disobedient" (insubordinate, defiant).
unmanageable, ungovernable, rebel, disloyal, unruly