clamberer
/ˈklæmbərər/
noun
- A person or animal that climbs awkwardly or with difficulty, using both hands and feet.
- The squirrel, a natural clamberer, scurried up the rough bark of the oak tree.
- The toddler was a determined clamberer, scaling the sofa cushions with great effort.
- As an experienced clamberer of rocky cliffs, she knew exactly where to place her feet.