What does "fence sitter" mean?

One who takes neither side of an argument or controversy, but maintains a neutral position.

What is a synonym for "fence sitter"?

Common synonyms include: wavers.

noun

noun ·Rare ·Advanced level

Noun

1
One who takes neither side of an argument or controversy, but maintains a neutral position.
2
One who is bisexual, or who is uncertain about their sexual orientation.
"What...? EW. You scored with the fence-sitter?"

"What...? EW. You scored with the fence-sitter?"

From fence + sitter, from the verb sit on the fence.