parochial vicar
priest assigned to a parish in addition to, and in collaboration with, the pastor of the parish
en-US/pɚˈoʊkiəl ˈvɪkɚ/
en-GB/pəˈɹəʊkɪəl ˈvɪkə/
priest assigned to a parish in addition to, and in collaboration with, the pastor of the parish