An individual, corporation, partnership, or other legal entity employed or retained, whether paid or not, by a principal who seeks to encourage the approval, disapproval, adoption, repeal, passage, defeat, or modifications of (a) any ordinance, resolution, action or decision of any elected official or City Commission; (b) any action, decision, recommendation, any city board or committee, including but not limited to Quasi-Judicial, Advisory Board, Trust, Authority, or Commission.