Another clue may come from the meaning of the name Zerubbabel: The name Zerubbabel consists of two parts. The second part of this name is obviously the same as the Hebrew word for Babel / Babylon. The origin of the first part is a bit of a mystery.
Insubordination is generally a punishable offense in hierarchical organizations which depend on people lower in the chain of command doing what they are expected to do.
Quick Answer. Gross insubordination is the refusal of employees to take direction or listen to the instructions of their superiors. Gross insubordination is a workplace offense that may warrant punishment in varying degrees, including dismissal from a company. Gross insubordination is the failure to abide by a law or regulation established in a company, and may or may not warrant reprimand.