The word "ruttier" is quite obscure and not commonly used in everyday language. It refers to a person who is experienced in navigating rough or difficult terrain. Some synonyms for "ruttier" include: guide, pathfinder, explorer, adventurer, mountaineer, trekker, bushwhacker, trailblazer, pioneer, and scout. Each word portrays a slightly different connotation, but all relate to someone who has skills and knowledge in traversing challenging landscapes. So, whether you are venturing off the beaten path or taking on a new challenge, these words can help describe individuals who are comfortable navigating rough terrain and finding their way to new destinations.