From Longman Dictionary of Contemporary Englishtake somebody under your wingtake somebody under your wingPROTECTto help and protect someone who is younger or less experienced than you are → wing
Examples from the Corpus
take somebody under your wing• Gyorgy Aczel, the liberal-minded ideology chief, spotted the talented regional boss and took him under his wings.• They monitor the student at the work site and take them under their wing.• He understood that the boy had had little formal education until Edouard took him under his wing.• Adrienne, eleven years older, had taken the 19-year-old singer under her wing.• Adrienne, eleven years older, had taken her under her wing.• Simon's uncle had taken him under his wing, so Simon and his wife, Mary, half lived there.• He had sized me up, he later explained, and had decided to take me under his wing.• He had sized me up, he said, and had decided to take me under his wing.• Nor could you expect some sage old workman to take you under his wing and bestow upon you his store of knowledge.• Tom took the young reporter under his wing. 