legislator

n. one who makes laws; member of a lawmaking body, member of a legislature

A legislator (or lawmaker) is a person who writes and passes laws, especially someone who is a member of a legislature. Legislators are usually politicians and are often elected by the people. Legislatures may be supra-national (for example, the United Nations General Assembly), national (for example, the United States Congress), regional (for example, the Scottish Parliament) or local (for example, local authorities).
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Noun
1. someone who makes or enacts laws
(hypernym) lawgiver, lawmaker
(hyponym) backbencher
(derivation) legislate, pass
(classification) law, jurisprudence

(n.)
A lawgiver; one who makes laws for a state or community; a member of a legislative body.
  

N M
legislator; law-giver; proposer of a law