A surveyor is a professional who measures and maps land, helping to determine property boundaries and create accurate representations of the Earth's surface. They use tools like the theodolite and GPS technology to gather data, which is essential for construction projects, land development, and legal disputes. Their work ensures that buildings and roads are built in the right places and comply with local regulations. In addition to measuring land, surveyors often prepare detailed reports and maps that are used by architects, engineers, and city planners. They play a crucial role in the planning and development of communities, making sure that everything is properly aligned and positioned. Their expertise helps to avoid costly mistakes and ensures that projects run smoothly.