I just stumbled across this - rather simple - sentence from the novel 堕落の王:
It wasn't even the demon lord's will. His goal was only to use its powers, he didn't even have an interest in the results.
I was just looking at my master.
Context: The one speaking is a puppet made by the 'lazy king', who lost interest in it right after its creation. The puppet now seems to wonder about the meaning of his existence and considers the 'lazy king' as his master.
In this case, how would you read 主? According to the dictionary there are five possible pronunciations:
Is there any notable difference between them? I feel like I heard あるじ in historical dramas a lot.