crossbencher

/ˈkrɔsˌbɛntʃər/
noun
  1. A member of a legislature (especially in the UK or Australia) who does not belong to any major political party and sits on a crossbench.
    • Several crossbenchers spoke in favor of the environmental bill.
    • As a crossbencher, she often holds the balance of power in close votes.
    • The crossbencher voted against the government's new tax plan.
Synonyms
What does "crossbencher" mean? | whatsthatwordmean | whatsthatwordmean