hearkener
/ˈhɛr.kɛn.ər/Definitions
1. noun
A person who listens carefully or with great attention, especially to what is being said or done.
“The journalist made it her duty to be a hearkener, always attentive to the needs of her community.”
2. noun
A person who is attentive to sounds, especially distant or unusual ones.
“The wildlife expert was a skilled hearkener, able to pinpoint the source of even the faintest animal calls.”