One who is a nonconformist or who does not recognize the authority of others.
A member of the organized heretic movement Brethren of the Free Spirit in opposition of the Catholic Church from the 13th to 15th centuries.
A person who has risen, climbed up, or has been promoted to a higher social class, especially through acquisition of wealth, privileges, or political authority but has not gained social acceptance by those within that new class.
Being a parvenu; also, like, having the characteristics of, or associated with a parvenu.