As nouns the difference between apostleship and apostolate
is that apostleship is the position, post, or duty of being an apostle while apostolate is the office, or responsibilities of an apostle.
apostleship
English
Noun
The position, post, or duty of being an apostle
See also
* discipleship
apostolate
English
Noun
(
en noun)
The office, or responsibilities of an apostle.
A group of people that exists for the spreading of religious doctrine.