A deacon is a member of the diaconate, an office in Christian churches that is generally associated with service of some kind, but which varies among theological and denominational traditions.
Saint Stephen, one of the first seven deacons in the Christian Church, holding a Gospel Book in a 1601 painting by Giacomo Cavedone.
Ornately embroidered dalmatic, the proper vestment of the deacon, shown from the back with an appareled amice.
A Catholic deacon wearing his dalmatic and biretta.
Greek Orthodox deacon in the Church of the Nativity in Bethlehem, wearing an orarion over his sticharion. On his head he wears the clerical kamilavka.
A deaconess is a member of a ministry for women in some Christian churches to provide pastoral care, especially for other women, and who may carry a liturgical role. The word comes from the Greek diak
Deacon
…the church in Cenchreae. Nothing more specific is said about her duties or authority, although it is assumed she carried Paul's Letter to the Romans. Female deacons are mentioned by the Roman author Pliny the Younger in a letter to the Roman emperor Trajan dated c. 112: I believed it was necessary to find out from…
Elizabeth Catherine Ferard, first ordained deaconess of the Church of England
"Adam and Eve" by Albrecht Dürer (1504)
Episcopa Theodora (Church of Santa Prassede)
Icon of Saint Olympias the Deaconess