Answer:
1. officially exclude (someone) from participation in the sacraments and services of the Christian Church.
2. in christianity, a group of men or women who live under religious vows
3 has 2 possble answers:
a vigorous campaign for political, social, or religious change.
or
each of a series of medieval military expeditions made by Europeans to recover the Holy Land from the Muslims in the 11th, 12th, and 13th centuries.