Usher most commonly refers to: Usher (occupation), a person who welcomes and shows people where to sit. Church usher. Wedding usher, one of the male attendants to the groom in a wedding ceremony. Field usher, a military rank. Usher of Justice, a judicial official in some countries. Usher of the Black Rod, a parliamentary official in the UK, Australia, Canada and New Zealand. Gentleman Usher, a category of royal official in the United Kingdom. White House Chief Usher. Usher (Switzerland), a largely ceremonial function in Swiss federal, cantonal, and local governments.
https://en.wikipedia.org/wiki/Usher