priest
In German, the word 'Priester' refers to a priest, a religious leader who performs ceremonies and leads worship services. It is used in a similar way to the English word 'priest'.
The priest prays in the church.
This sentence is a straightforward statement about a common priestly activity - prayer, and it is happening in a usual location for such activities – the church.
He is a good priest.
Here, the speaker is expressing an opinion about the person in question, asserting that they are effective or virtuous in their priestly duties.
The priest is reading from the Bible.
This sentence is illustrating a common activity for priests in many Christian denominations - reading aloud from their holy book, the Bible.