conservationist (n.)

• arboriculturist
• conservative
• conservator
• deliverer
• diehard
• fogy
• forester
• keeper
• lifesaver
• logger
• lumberjack
• lumberman
• mossback
• preservationist
• preserver
• ranger
• rescuer
• right-winger
• rightist
• saver
• savior
• stick-in-the-mud
• taxidermist
• timberman
• ultraconservative
• woodcutter
• woodman
• woodsman