From BiblePortal Wikipedia

Vine's Expository Dictionary of NT Words [1]

1: Ἀκροατής (Strong'S #202 — Noun Masculine — akroates — ak-ro-at-ace' )

from akroaomai, "to listen," is used in  Romans 2:13 , "of a law;"  James 1:22,23 , "of the word;"  James 1:25 , a (forgetful) hearer."

 Ephesians 4:29 2—Timothy 2:14

King James Dictionary [2]

HE'ARER, n. One who hears one who attends to what is orally delivered by another an auditor one of an audience.

Webster's Dictionary [3]

(n.) One who hears; an auditor.