Again, Diana was forced to turn to the small group of friends she regards as unofficial advisers.

Since the late summer she has served as an unofficial close adviser, accompanying him to public events.

As there is only one place at the manager's right hand for an unofficial adviser and publicist, rival reviewers may feel left out.

As a result, Marvin became an unofficial technical adviser for the film.

He started by going to unofficial advisers and seeing whether they agreed with his official adviser.

After his formal retirement in 1971, he continued as an unofficial adviser.

A "longtime Bush friend and unofficial political adviser who had known the presidential candidate for several years."

Fox had an unofficial adviser with access to top officials, funded by donors.

He serves as an unofficial adviser to the Bush administration's national security team, several of whom worked for him in government or at his consulting firm.

Outside the firm, he was an unofficial adviser on financial matters to Harold Wilson's government.