A professional who patrols golf course to prevent unauthorized persons from using facilities, keep play running smoothly, and assist injured or ill players. Respnsibilities include:

• Inspects player and caddie registration and green fee tickets for validity.
• Prevents players from entering course beyond starting tee.
• Advises players to speed up or slow down in order to alleviate bottlenecks.
• Explains rules of game to players to settle disputes.
• Locates damaged or hazardous areas and marks areas for repair, using lime marker or stake.
• Cautions players against tearing up turf or otherwise abusing course.
• Renders first aid to injured or ill players and carries their equipment to clubhouse.
• Returns lost equipment to owners or to clubhouse.
• Keeps log of daily activities.
• May deliver urgent messages to players on course.