Bible verses about Busy-bodies
(From Torrey's Topical Textbook)

Fools are Proverbs 20:3 The idle are II Thessalonians 3:11; I Timothy 5:13 Are mischievous tale-bearers I Timothy 5:13 Bring mischief upon themselves II Kings 14:10; Proverbs 26:17 Christians must not be I Peter 4:15