A guide is hired mostly by fishermen that are traveling, someone that does not have a boat, or they want to improve their fishing. A guide can show you how to fish. A professional guide should have a guide license and insurance for unto 2 to 4 people and normally can be found on lakes, rivers, inshore and backcountry. Remember the guides main responsibility is to make sure you stay safe. Things you should bring on your fishing trip. Sunglasses, Sun Screen, Warm and Cold Water Clothes, Snacks, and a GPS if you have one, make sure the has a supply of water, food and fishing gear and baits.