noun, noun or participle which takes 'suru', intransitive verb
success in life; advancement in the world
Refers to rising in social status, career, or wealth through one's own efforts. Often used in the context of ambition or the traditional ideal of climbing the social ladder.
彼は若い頃から立身出世を夢見ていた。
He dreamed of success in life from a young age.
立身出世のために必死で働いた。
He worked desperately for advancement in the world.