- Fluency in English: If the program is conducted in English, instructors may be required to have a high level of fluency in English in order to effectively communicate with participants.
- Proficiency in other languages: If the program serves participants who speak languages other than English, instructors who are proficient in those languages may be preferred.
- Multilingual capabilities: If the program serves participants from diverse linguistic and cultural backgrounds, instructors who are multilingual and able to communicate effectively across cultures may be preferred.