Naturalist n. : One versed in natural science; a student of natural history, esp. of the natural history of animals.

Naturalist n. : One who holds or maintains the doctrine of naturalism in religion.

Example:
What is the best way to visit Naturalist camps the first few times and remain comfortable?

Taxonomy
natural history, scientists, sciences, disciplines, species, botany, geology, organisms, naturalist, History, Natural History Society, free encyclopedia, research, biology, plants and animals, strongly, relationships, in Britain.

Defination from the web:
naturalist or "natural historian". Natural history is categorized among the natural sciences. ... The Naturalist's Net Online Forum. Slater Museum of Natural History, Tacoma. University of Oregon Museum of Natural and Cultural History, Eugene ...