Fetching details from the dictionary...
to be loath to; to balk at (doing); to grudge (doing); to spare (oneself); to be weary of; to shun; to dislike (an activity, an environment); to hate (an activity)
to take (good) care of
彼女はその仕事を厭った。
She was reluctant to do that work.
努力を厭っている人は成長しない。
People who shun effort don't grow.
彼は面倒を厭う性格ではないと思う。
I don't think he's the type to shy away from trouble.