I believe you are speaking of an elegy, or elegiac writings: a

sad poem or song : a poem or song that expresses sorrow for someone who is dead

Also

consider lamentation : an

expression of great sorrow or deep sadness

Might you ever have read is OK. It’s asking if they have read it in the past (NOT still reading it). What are the ungrammatical differences between Might you have read and Might you have ever had read? If I need to know if they were in the process of still reading it, you could ask: “Might you have been reading that book when you fell asleep? Who could ever have said that you would read a book while falling asleep? ”

Is there any simple solution that “is appropriate in a given case”?

Might you ever have read is OK. It’s asking if they have read it in the past (NOT still reading it). What are the ungrammatical differences between Might you have read and Might you have ever had read? If I need to know if they were in the process of still reading it, you could ask: “Might you have been reading that book when you fell asleep? Who could ever have said that you would read a book while falling asleep? ”

Is there any simple solution that “is appropriate in a given case”?

If you can be a mentor, professor or mentee, then you are the mentor. Which is the best mentorship? The word mentor is less associated with teaching, and more associated with guiding, which seems to fit your situation perfectly

The last time someone asked me what I should do: start right, start doing nothing, do something and move forward with your life. By putting your first impression in this sentence, I’m sure I will be correct.