one who makes public proclamation. The only notice of this officer in the Old Testament occurs in (Daniel 3:4) The term "herald" might be substituted for "preacher" in (1 Timothy 2:7; 2 Timothy 1:11; 2 Peter 2:5)
Smith’s Bible Dictionary
Herald
Smith’s Bible Dictionary, William Smith (1863). Public domain, from the CrossWire SWORD module.