initiative
A proposed law in Congress is called a bill.
This is called a "motion." The party "moves" or "makes a motion" for certain action to be taken such as dismissal of a case.
petition
A citizen's army is called a militia
Petition
A citizen of France is called a French citizen of a Frenchman.
A citizen of New Hampshire is called a New Hampshirite.
A citizen of Ivory Coast is called an Ivorian.
They would be a naturalized citizen.
POLYPS
A proposed bill is called a bill even before it is ratified
You need to get form I-400. It is called a naturalization petition. Go to www.cis.gov for more info