1. people who provide medical care or treatment
2. people who pay for others’ food, drinks, or entertainment

Examples

• The hospital hired more treaters to handle the increased patient load.
• Mental health treaters work with patients to develop coping strategies.
• The generous treaters bought dinner for the entire group.
• At the company party, the managers were the treaters for all employees.
• The treaters at the medical clinic specialize in different areas.
• Local business owners often serve as treaters during community events.