self-betterment       
noun [ U ]  formal (also selfbetterment) uk/ˌselfˈbet.ə.mənt/ us/ˌselfˈbet̬.ɚ.mənt/
 自我提升
the improvement of your own situation, education, position, etc.
  People emigrated in search of livelihoods, social freedom, and self-betterment. 人们移民是为了寻求生计、社会自由和自我提升。 
 The aim is to give disadvantaged young people the chance of education and future self-betterment.
  - More examples
 - The party is happy to champion individuality and self-betterment.
 - Institutions for young offenders offer specialized academic self-betterment and vocational programmes geared toward rehabilitating young convicts.
 - It was his voracious appetite for self-betterment that made him a special rather than an average player.