An outsider who moves to a community or a place; (used by those who consider themselves to be its original inhabitants).
One who comes in.
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.