Usage patterns
〈人〉の聞き手になるto become someone's listener
She became the listener for her friend's troubles.
インタビューの聞き手を務めるto serve as the interviewer for an interview
On today's program, a famous author served as the interviewer.
聞き手に回るto take on the role of listener (rather than speaking)
At the meeting, I didn't speak up and just listened.
聞き手を意識するto be mindful of one's audience/listener
In a speech, it's important to speak with the listener in mind.