Question

Members called the majority whip and the minority whip assist the majority and minority party leaders in both houses. What is their role? to apply pressure and persuasion to keep party members in the chamber in line to oversee the security of the Capitol building complex to chair specific committees within their chamber of Congress to speak with the president about the legislation being considered in Congress

Answer 1

Members called the majority whip and the minority whip assist the majority and the minority party leaders in both housed to apply pressure and persuasion to keep party members in the chamber in line especially in creating support for their party's legislation. 

Answer 2

Answer;
Their role is to apply pressure and persuasion to keep party members in the chamber in line. 
Explanation; 
The majority whip and the minority whip assist the majority party leaders in both houses. The play various roles which include; To assist the party leaders, keeping them informed of what the party members think, make sure party members turn up to important votes, persuading them to support a Bill, and make sure they support the party platform.