Who is the most powerful member of the house of representatives

Speaker of The House.

Explanation:

The speaker of the House of Representatives is the presiding official of the US House of Representatives. The speaker would have several roles: the speaker is the leader of both the house of Representatives, it's presiding officer, and the administrative leader as well. They have many responsabilities so they don't always participate in debates or preside them.

answer; presidential election years;

answer; love and belonging needs;