Self-assertion; the act of clearly expressing one's opinions, feelings, or position to others.
彼は会議で積極的に自己主張をした。
He actively asserted himself at the meeting.
自己主張が強すぎて他の人の意見を聞かないことが問題になった。
His excessive self-assertion became a problem because he wouldn't listen to others' opinions.
子どもが自己主張をするのは成長の一部だ。
A child's self-assertion is part of growing up.
芸術家にとって作品は自己主張の手段でもある。
For artists, their work is also a means of self-assertion.