From Longman Dictionary of Contemporary Englishdo well by somebodydo well by somebodyTREAT/BEHAVE TOWARDSto treat someone well His relations always did pretty well by him. → do
Examples from the Corpus
do well by somebody• He's left home, but he still does well by his kids.• Economic constraints or limitations can be overcome given a sufficiently high motivation to do well by the individual entrepreneur.do well by somebodydo well by somebodyinformalGENEROUS to treat someone generously → wellExamples from the Corpus
do well by somebody• Economic constraints or limitations can be overcome given a sufficiently high motivation to do well by the individual entrepreneur. 