The term 'Wall Builder' can be described by two words: Mason (5 letters) and Stonemason (10 letters). A Mason is a skilled tradesperson who works with stone, brick, concrete, and other materials to construct walls, buildings, and other structures. A Stonemason is a specialized type of Mason who works exclusively with stone. Both Masons and Stonemasons are responsible for the construction of walls, foundations, and other structures. They use a variety of tools and techniques to cut, shape, and assemble stone into the desired structure.