[法] 妨碍会议议事者

[ noun ]
someone who systematically obstructs some action that others want to take
<noun.person>

Obstructionist \Ob*struc"tion*ist\, n.
One who deliberately hinders progress; one who obstructs
business, as in a legislative body. -- a. Of or pertaining to
obstructionists; causing obstruction; as, obstructionist
tactics. [Recent]