Apparently, many people think that a character should always be tagged their canon profession, no matter what clothes they wear, even if they are wearing nothing at all.
I have already mentioned it in the miko tag discussion, but i think that profession tags should be based on both what a character wears and what they're doing or general setting.
In this case, if an artwork makes the character's profession clear through accessories or setting, regardless of clothing, i don't see why it should not be tagged as that profession. For example, post #441939 makes it clear that the character is a miko.
Conversely, if an artwork does not feature profession clothes and the setting does not feature any particular hint towards the character's profession, it should not be tagged.
For priestess, i don't think it should be nuked, but at the same time it looks like a conglomeration of miko, cleric, and nun, among more fantasy design which fall in a middle spot.
The wiki says that it's supposed to be a "female priest", and the priest tag is a mix of christian priest and fantasy ones, a distinction priestess has with nun.
I think we should first draw a line and say what priestess and priest are supposed to be in the first place. Are they supposed to cover outfits that don't fall in other tags? Is priestess supposed to specifically be eastern-influence priestesses, or more fantasy ones? Priest covers a lot of designs, from more traditional christian outfits in post #5135437, to more fantasy outfits like post #3303471, to more eastern ones in post #3515248 and tribal ones in post #5177989.