self-development; activities (books, seminars, study) undertaken to improve one's skills, knowledge, or mindset.
彼は休日に自己啓発の本を読んでいる。
He reads self-development books on his days off.
会社は社員向けに自己啓発セミナーを開催した。
The company held a self-development seminar for employees.
自己啓発は継続が大切だ。
Consistency is important in self-development.