The Missionary Society of St. James the Apostle, founded by Cardinal Richard Cushing in 1958, is an international organization of diocesan missionary priests who volunteer a minimum of five years of their priestly lives to service in Peru, Bolivia and Ecuador. They were established by Cushing in response to the call by Pope John XXIII

Pope John XXIII

-Papal election:Following the death of Pope Pius XII in 1958, Roncalli was elected Pope, to his great surprise. He had even arrived in the Vatican with a return train ticket to Venice. Many had considered Giovanni Battista Montini, Archbishop of Milan, a possible candidate, but, although archbishop...

 for members of the Catholic Church in economically favored nations to assist their fellow Catholics in Latin America

Latin America

Latin America is a region of the Americas where Romance languages  – particularly Spanish and Portuguese, and variably French – are primarily spoken. Latin America has an area of approximately 21,069,500 km² , almost 3.9% of the Earth's surface or 14.1% of its land surface area...

.

Based in Boston

Boston

Boston is the capital of and largest city in Massachusetts, and is one of the oldest cities in the United States. The largest city in New England, Boston is regarded as the unofficial "Capital of New England" for its economic and cultural impact on the entire New England region. The city proper had...

, they are not a religious order, but an organization which facilitates a temporary period of service (usually five years) by Roman Catholic clergy

Clergy

Clergy is the generic term used to describe the formal religious leadership within a given religion. A clergyman, churchman or cleric is a member of the clergy, especially one who is a priest, preacher, pastor, or other religious professional....

. After this period, most members return to their home diocese

Diocese

A diocese is the district or see under the supervision of a bishop. It is divided into parishes.An archdiocese is more significant than a diocese. An archdiocese is presided over by an archbishop whose see may have or had importance due to size or historical significance...

, though some remain committed to serve in the work of the Society.

While on mission, they make themselves available for work in remote, rural parish

Parish

A parish is a territorial unit historically under the pastoral care and clerical jurisdiction of one parish priest, who might be assisted in his pastoral duties by a curate or curates - also priests but not the parish priest - from a more or less central parish church with its associated organization...

es or in urban ones, where the limited resources of the local Church make serving the local inhabitants difficult.