whiffler

noun

1. (obsolete) One who whiffles, or frequently changes his or her opinion or course.

2. (obsolete) One who argues evasively; a trifler.

- Every whiffler in a laced coat who frequents the chocolate house shall talk of the constitution. — Swift.

3. (obsolete) One who plays on a whiffle; a fifer or piper.

4. (obsolete) An officer who went before a procession to clear the way, by blowing a horn or otherwise; hence, any person who marched at the head of a procession; a harbinger.

5. (US, dialect) The goldeneye.