"The Man" is a slang phrase used in the United States to refer to figures of authority, including members of the government. Though typically used as a derogatory connotation, the phrase may also be used as a term of respect or praise. The phrase "the Man is keeping me down" is commonly used to describe oppression, while the phrase "stick it to the Man" encourages civil resistance to authority figures. History. In the Hebrew Bible, the Hebrew phrase "Ha Ish" (meaning 'the Man') is used by Joseph's brothers to refer to his position as the viceroy of Egypt.
https://en.wikipedia.org/wiki/The_Man