The term "Water doctor" can refer to various individuals or professions. Synonyms for the term could include hydrologist, aquatic specialist, water quality expert, or environmental scientist. Hydrologists study the movement, distribution, and quality of water in the natural environment. Aquatic specialists may focus on the management and conservation of aquatic ecosystems, while water quality experts measure and analyze the chemical and biological properties of water. Environmental scientists study the relationships between humans and the natural environment, including the impacts of human activities on water resources. Each of these professionals plays an important role in ensuring the sustainable use and protection of our water resources.