whiffler

Plural: whifflers

Noun

• One who whiffles, moving or thinking erratically.
• One who whiffles, or frequently changes their course or opinion.
• One who argues evasively; a trifler.
• One who plays on a whiffle; a fifer or piper.
• 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.
• The goldeneye (duck).

Examples

• His opponent was a known whiffler, constantly changing their mind about word placement.