Collocations for deputy - noun

acting | former
a former deputy chairman of the Democratic Party

appoint (sb as)
A new deputy has not yet been appointed.

act as

chair, chairman, director, governor, head, leader, manager, minister, president, etc.
He was appointed deputy head of the school.

~ to
She is acting as deputy to the chairman of the board.

congressional, parliamentary
133 of the parliamentary deputies voted against the treaty.

opposition | right-wing, socialist, etc.

elect
Three women were among the 77 deputies elected.