Longman Dictionary of Contemporary English
agony aunt
noun
EXAMPLES FROM CORPUS
▪ Being agony aunt was tricky and probably quite beyond her.
▪ Claire Rayner is a novelist, broadcaster and agony aunt.
▪ He hated playing agony aunt but he couldn't afford to have Hirschfeldt falling to pieces.
▪ I am still friends with my ex-husband who takes it on himself to be my personal agony aunt.
▪ In fact they would be just as likely to turn to the agony aunt pages of a magazine.
▪ Then he sat down and typed a letter to every agony aunt he had ever heard of.
▪ While writing her agony aunt column, she remained busy as a reporter, interviewing figures including Margaret Thatcher.
Wiktionary
agony aunt
n. 1 A writer of an advice column in a newspaper or other periodical. 2 Someone who people commonly go to for advice about personal problems, often annoyingly so.
WordNet
agony aunt
n. a newspaper columnist who answers questions and offers advice on personal problems to people who write in
Usage examples of "agony aunt".
Could have been a repository for a whole people's history, but settled for being a gossip and an agony aunt.
Perhaps she could write to the editor anyway and suggest that an agony aunt be appointed.