gooseberry-picker

Noun

 * 1)  One who works on behalf of another person who takes the credit for the work.
 * 2)  A chaperone.
 * 3) * 1869, Susannah M. Saurin (plaintiff.), Extraordinary Trial by a Sister of Mercy: Saurin Versus Starr (page 78)
 * The Solicitor-General: I understand that a gooseberry-picker is the person who stands by whilst a young man and young woman are making love (laughter).