This is the 13214th most frequent Russian word.
митрофорного
The Russian word "митрофорного" refers to something related to a "mitre-bearer," a title or rank in the Russian Orthodox Church for a priest granted the right to wear a mitre (a type of ceremonial headgear).
Here the word 'митрофорного' is used as an adjective describing the type of priest, specifically one who wears or is entitled to wear a mitre, a specific clerical headdress.
Митрофорного священника встречали с уважением.
The mitre-wearing priest was greeted with respect.
In this sentence, 'митрофорного' attributes the parish linked with the mitre as a distinct quality, likely mentioning the head of the parish who has this honor.
На празднике выступал хор митрофорного прихода.
At the celebration, a choir from the mitre-bearing parish performed.
Here, 'митрофорного' characterizes the bishop emphasized for holding the title associated with mitre-wearing authority.