Talebearer
From BiblePortal Wikipedia
King James Dictionary [1]
Ta'Lebearer, n. tale and bear. A person who officiously tells tales one who impertinently communicates intelligence or anecdotes, and makes mischief in society by his officiousness.
Where there is no talebearer, the strife ceaseth. Proverbs 26
Webster's Dictionary [2]
(n.) One who officiously tells tales; one who impertinently or maliciously communicates intelligence, scandal, etc., and makes mischief.