IYOGI is a scam
In residence.
Washington was not a resident of the White House if that is what you mean.
It means, You have to be a LEGAL RESIDENT of the USA.
Shield
It depends on what shield you are referring to . Shield could mean a firewall or an antivirus like mcafee
someone who reside something or dwelling in a place
"On [a/the] shield."
A resident.
Amb resident qid means the resident should be assisted to walk four times a day.
they mean power
If you mean a legal resident alien, yes. If you mean a legal resident of Arizona, yes. If you mean a legal resident of another state- THAT depends on which gun. You may purchase a rifle or shotgun from a dealer in any state (unless you reside in CA) but you may only purchase a handgun in your home state.
to guard