self-help

/S EH1 L F EH0 L P/
noun
  1. 1

    The practice of bettering oneself without relying on the assistance of others.

    โ€œa self-help bookโ€

  2. 2

    An act of redressing or preventing a wrong by one's own actions rather than through legal proceedings.

Source: https://en.wiktionary.org/wiki/self-help