Filibuster (Noun)

A legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposes.

Nouns denoting people.

The senator launched a filibuster that lasted for 12 hours, speaking about everything from the history of the bill to his personal opinions on the matter.
The congressman's filibuster was so effective that it delayed the vote on the bill for several days, giving his colleagues time to reconsider their positions.
The senator's decision to filibuster the bill was seen as a last-ditch effort to block its passage, but ultimately it was unsuccessful.
The legislator's filibuster was marked by its creativity, as he read from phone books, cookbooks, and even the entire script of a popular movie.
The senator's 24-hour filibuster set a new record for the longest speech in the history of the chamber, and it earned him a reputation as a fierce opponent of the bill.