Formal:
* Recruiter: This is the most common alternative, especially in a professional setting.
* Questioner: This emphasizes the act of asking questions.
* Examiner: Used in situations where the interview is a test or evaluation.
* Assessor: Similar to examiner, this implies a judgment is being made.
Informal:
* Questioner: As above, but can be used in a casual context.
* Host: Used for interviews where the interviewer is leading a discussion.
* Talk show host: Specific to interviews on talk shows.
* Reporter: Used for journalistic interviews.
Creative:
* Prober: Implies a deeper exploration of the subject.
* Investigator: Suggests a more in-depth and inquisitive approach.
* Sounding board: Indicates a conversation with someone seeking feedback or advice.
The best word to use will depend on the specific context of the interview.