Answer:
Whips
Step-by-step explanation:
Whip is an official of political party. Their job is to ensure discipline in legislature. They ensure that the party members vote according to the party platform instead of will of constituents and their own ideology.
Party whips are elected during party meeting before the beginning of a new congress. One chief deputy whip and few deputy and other whips are selected by each party for a two year term.
They assist party leaderships to bring the party's bills to the house floor and to maintain communication between the party members and leadership.