1) Inducer 2) Persuader 3) Washington operator 1) Petitioner 2) Protester 3) Supplicant 4) Urger 
• (n.) A member of the lobby; a person who solicits members of a legislature for the purpose of influencing legislation.
A person or organisation seeking to change the views of legislators about proposed measures, or to achieve modifications to existing measures.
Lob'by·ist noun A member of the lobby; a person who solicits members of a legislature for the purpose of influencing legislation. [ U.S.]
A person who represents the concerns or special interests of a particular group or organization in meetings with lawmakers. Lobbyists work to persuade lawmakers to change laws in the group's favor.
[n] - someone who tries to persuade legislators to vote for bills that the lobbyists favor
lobbyist 1. Someone who is paid to lobby political representatives on an issue that is desired by the one who is paying the lobbyist. 2. Someone who tries to persuade legislators to vote for bills that the lobbyist favors.
noun someone who tries to persuade legislators to vote for bills that the lobbyists favor
to promote (as a project) or secure the passage of (as legislation) by influencing public officials
a person who tries to influence legislation on behalf of a special interest; a member of a lobby.
someone who is employed to persuade how legislators vote