expression, godan verb (-ru)
stick to one's principles; maintain one's integrity
Used when someone adheres to their moral or ethical standards, especially under pressure or temptation.
彼はどんなに誘惑されても節を守る人だ。
He is a person who sticks to his principles no matter how tempted he is.
政治家として節を守る
It is difficult to maintain one's integrity as a politician.