William Carey (missionary) in the context of "Sodality"

In Christian theology, a sodality, also known as a syndiakonia, is a form of the Universal Church organized in a specialized, task-oriented society, as opposed to a local, diocesan body (a modality). In English, the term sodality is most commonly used by groups in the Anglican Communion, Catholic Church, Eastern Orthodox Church, Lutheran Church and Reformed Church, where they are also referred to as confraternities. Sodalities are expressed among Protestant Churches through the multitude of mission organizations, societies, and specialized ministries that have proliferated, particularly since the advent of the modern missions movement, usually attributed to Englishman William Carey in 1792.

In many Christian denominations, "modality" refers to the structure and organization of the local or universal church, composed of pastors or priests. By contrast, parachurch organizations are termed sodalities. These include missionary organizations and Christian charities or fraternities not linked to specific churches. Some theologians would include denominations, schools of theology, and other multi-congregational efforts in the sodality category. Sodalities can also include religious orders, monasteries, and convents.