Vicar

Vicar \VIK-er\ , noun;
1. Church of England:
     a. A person acting as priest of a parish in a place of the rector, or as representative of a religious community to which tithes belong
     b. The priest of a parish the tithes of which are impropriated and who receives only the smaller tithes or a salary
2. Protestant Episcopal Church:
     a. A member of the clergy whose sole or chief charge is a chapel dependent on the church of a parish
     b. A bishop's assistant in charge of a church or mission
3. Roman Catholic Church: An ecclesiastic representing the pope or a bishop
4. A person who acts in place of another; substitute
5. A person who is authorized to perform the functions of another; deputy

For the some interesting info about this word, see Inky Fool