Agent for Boat Classified Web Site To Hire Users

I need an agent, who can hire users for my classified web site in shareholding relationship. 25% for every broked user / sold classified listing plan. (Boat & Yacht Leads) Agent has to be expirienced in boating industry and he/she also should have full email lists for boating industry to provide also email marketing campaigns to hire users for the classified web site. Long Term Relationship.