1. both law and order are quite powerful ideals, it'd most surely be amongst the council, but maybe not amongst the top members. And to answer your follow-up question: The Council is rather split, mainly in two: Those who hate and are disgusted by mankind and those whom believe that mankind may yet be put to salvation. Then there are individual beliefs whom split the council in 13 parts, due to there being 13 Archangels.

2. Second generation angels (non-archangels) appear human, except they have greater values then mankind, of course Archangels exist on another dimension/realm, therefor they are sealed within the sacred armors, keeping them present in the physical realm.

3. I'll let the roleplayer decide this.