'Priests' in the Bible

For it is clear that our Lord has sprung out of Juda, as to which tribe Moses spake nothing as to priests.

(for they are become priests without the swearing of an oath, but he with the swearing of an oath, by him who said, as to him, The Lord has sworn, and will not repent of it, Thou art priest for ever according to the order of Melchisedec;)

And they have been many priests, on account of being hindered from continuing by death;

who has not day by day need, as the high priests, first to offer up sacrifices for his own sins, then for those of the people; for this he did once for all in having offered up himself.

For the law constitutes men high priests, having infirmity; but the word of the swearing of the oath which is after the law, a Son perfected for ever.

Now these things being thus ordered, into the first tabernacle the priests enter at all times, accomplishing the services;