I'm not sure without reading the story, but it could be the person who is cursed. They would likely be a central figure as the story would probably revolve around their experience of the curse.
The main theme could be about the consequences of certain actions. For example, if it's a curse related to a wrong done in the past, it might show how that past misdeed haunts the present.
I'm not sure as the title doesn't give that information directly. But usually in a story about greed, there could be a greedy protagonist and perhaps characters around them who are affected by the protagonist's greed.
The main theme of 'greed is a curse short story' is surely the idea that greed is a harmful and negative force. It could be that the characters in the story are driven by greed for money, status or something else. As a result of their greed, they might face various problems. It could be that they are constantly chasing after more and more, never satisfied, and this leads to a cycle of unhappiness. They may also engage in unethical behavior because of their greed, which ultimately catches up with them.
The mummy's curse short story often involves a mummy being awakened or disturbed, and then a series of misfortunes befall those who did so. Maybe it's about the mummy seeking revenge on the intruders who violated its resting place. It could also include elements like strange happenings in the area around the mummy's tomb, such as unexplained deaths or disappearances.
I'm not sure specifically as I haven't read this exact story, but generally in a story about greed, there could be a wealthy businessperson who is never satisfied with their fortune and always wants more. They would be a main character driving the plot with their greedy actions.
One of the main themes is obviously greed itself. It shows how excessive desire for wealth or power can lead to negative consequences. For example, the characters in the story might lose their relationships or their own moral compass because of their greed.
Often, there is a group of characters. There might be a lead archaeologist, of course. Then there could be assistants or local guides. The local guides might know some of the local legends about the mummy's curse but are ignored by the over - eager archaeologists. All of them are then caught up in the events of the curse once they enter the tomb.
Well, since we don't have much information about this 'Drosten's curse' in relation to the short story, it might be related to a conflict within the story. Maybe Drosten, the character, did something wrong or was wronged, and the curse was a result of that. It could also be tied to the setting of the story. For example, if the story is set in a spooky, enchanted place, the curse could be part of the lore of that place.
It is surely a superstition. The idea of a painting being cursed is not based on any scientific facts. While it's true that there were reports of fires in places where the crying boy painting was, this could be pure coincidence. There are so many factors that can cause a fire, and it's very far - fetched to think that a painting could have some sort of supernatural power to cause misfortune. People love to create spooky stories, and this is just one of those cases where superstition got out of hand.