What does Martin van Buren do for a living?

Martin Van Buren was a prominent American politician and lawyer who served as the eighth President of the United States from 1837 to 1841. Before his presidency, he held various political roles, including serving as the Vice President under Andrew Jackson and as Secretary of State. He was also a key figure in the founding of the Democratic Party and played a significant role in shaping American political practices in the early 19th century. After his presidency, he continued to be involved in politics and public service.