Noun form of demonize- to make someone appear to be a demon. This is usually figurative, not literal. You would attribute behavior to someone that makes them look really bad.
The best meaning for dereliction is to neglect or be negligent, careless.
Khair-meaning best Wara-pious, Godfearing Khairulwara-best of the pious ones.
The meaning of the poem Do the Best of Whatever You Are is to take pride in your work. It doesn't matter what you do, if you do the very best you can at that job, then you can be proud of your work.
Best friend
forboding
the best,
It can kill you
of Exonerate
the best of the rest
What is your idea guys
Champion, best-of-the-best, to strive for excellence
The literal meaning would be that you have one foot that is "the best" and you're tossing it out ahead of you.