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.
insolence - the trait of being rude and impertinent; inclined to take liberties. cheekiness, impertinence, impudence, crust, freshness, gall. rudeness, discourtesy - a manner that is rude and insulting. chutzpa, chutzpah, hutzpah - (Yiddish) unbelievable gall; insolence; audacity.