expression, godan verb (-ru)
let one's actions do the talking; lead by example; walk the talk
Idiomatic expression meaning to convey one's thoughts, feelings, or principles through actions rather than words, often implying a quiet, dignified, or stoic approach.
彼は口数が少ないが、背中で語るタイプの上司だ。
He's a man of few words, but he's the type of boss who lets his actions do the talking.
先輩はいつも背中で語ってくれるので、自然と尊敬してしまう。
My senior always leads by example, so I naturally come to respect him.