Definition of "hazan"

When George Washington was inaugurated in New York in April 1789, Gershom Seixas, the hazan of Shearith Israel, was listed among the city’s clergymen (there were 14 in New York at the time) — a sign of acceptance and respect.

2007 October 7, Jon Meacham, “A Nation of Christians Is Not a Christian Nation”, in New York Times‎