: Notice who takes photos and why; it is a recurring motif for "capturing" souls.
: Is he a demon or a scapegoat? The film uses him to represent the "Red Eyed Demon" mentioned in local legends.
: His true allegiance is revealed late in the film through subtle clues, like his use of the same camera as the Stranger. Subtitles and Polish Context
If you tell me which you are using, I can help you locate the specific subtitle settings or files for that service. The Wailing (2016) - IMDb
Regarding your mention of "Dostępne napisy" (Subtitles available):