John Adams was a diplomat.
John Adams . He was a lawyer , diplomat , statesman , political theorist , and , as a Founding Father , a leader of the movement for American independence from Great Britain . As a diplomat in Europe , he helped negotiate the eventual peace treaty with Great Britain , and acquired vital governmental loans from Amsterdam bankers . He was the first U.S. president to reside in the executive mansion , now known as the White House . He and his wife established a family of politicians , diplomats , and historians now referred to as the Adams political family .