Aperson acting for a special-interest group, who tries to impact the voting on legislation or the decisions of government administrators, is known as a a) lobbyist. b) influence peddler. c) political activist. d) political action committee liaison.

lobbyist.

Explanation:

Interest groups fight for the best interests of the group of people they represent. Large interests groups will often hire a professional, known as a lobbyist, in order to gain the most awareness for their interest.

number 1 is a)