A more thorough explanation:

Definition: A practitioner is someone who works in a specific profession, such as law or medicine, and is actively engaged in practicing their skills and knowledge.

Example 1: A medical practitioner is a doctor who diagnoses and treats illnesses and injuries. They use their medical knowledge and skills to help patients recover and maintain their health.

Example 2: A legal practitioner is a lawyer who provides legal advice and representation to clients. They use their knowledge of the law to help clients navigate legal issues and achieve their desired outcomes.

These examples illustrate how practitioners are professionals who actively use their specialized knowledge and skills to help others in their respective fields.