a person who you're talking to

interlocutor
addressee

listener

I've come across the hearer in a linguistics book. Is that too technical a word, or does it perhaps have a slightly different meaning?

H.

That seems a little different to me. You can hear without listening, if you know what I mean. At least my mother thought so when I was growing up.

I think it's my mistake but I wanted to know the word that means "a person you are speaking with". That person not only listens to you but responds as well. You are having a conversation.

the sentence goes: "the eyes of a [person you are speaking with] can tell much about him to an attentive person". Maybe it sounds awkward, I don't know. I'd like you to rephrase it then.

the eyes of an interlocutor can tell much about him to an attentive person.. This sentence and word interlocutor sounds apt for me.. Any improvization, but include...