The noun form of the adjective insubordinate is insubordination.
The employee was reprimanded for their insubordinate behavior towards their supervisor.
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 employee was insubordinate when they refused to follow their manager's instructions.
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.
Defiance or insubordination are both substitutes for refusing to obey a superior.
In Initiate Initial Insubordinate Insinuate
insubordinate, insurgent, insurrectionary, mutinous, rebellious, revolutionary
That is the correct spelling of the adjective "disobedient" (insubordinate, defiant).
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.