Shamas

A gabbai (Hebrew: גבאי‎), also known as shamash שמש (sometimes spelled shamas) or warden (UK, similar to churchwarden) is a beadle or sexton, a person who assists in the running of synagogue services in some way. The role may be undertaken on a voluntary or paid basis.

A "shamash" (literally "servant") can also mean an assistant to a rabbi (particularly the secretary or personal assistant to a Hassidic Rebbe).