I want a word to describe person Y who adores person X. As in this case, person Y admire person X one-sided. So what would be the word to call person Y?
A more specific context is when this person Y, a junior of person X, fell gravely ill and the cause is partially because person X been ignoring Y, so person X said something like: I had overlooked the sickness of (the junior who adores me)
Learn English – a single word to call someone who adores you
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Best Answer
Smitten/Infatuated/Obsessed might work.
Smitten and Infatuated could be similar to 'crush' which might transpire to a more serious and healthy admiration. Though these doesn't strongly emphasize the 'unrequited' dimension, they are often used in anecdotes which end in it.
Obsessed is the harshest and least healthy of the three.
If the requirement is: Y adores X but X dint notice due to the distant admiration then "I had overlooked the infatuation of X (over me)" could work. However, if X knew about the admiration and intentionally did not reciprocate and Y still fell ill 'obsessed' could suit better.
A few good examples for the usage of smitten under the context of love can be found here: https://www.vocabulary.com/dictionary/smitten