do by

do by (third-person singular simple present does by, present participle doing by, simple past did by, past participle done by)

1. (informal, usually used with right/well or wrong/ill) To perform on behalf of someone or with someone in mind; to behave in a manner befitting someone.

   I've tried hard to do right by him.

   Do as you would be done by.

• BYOD, Body, Boyd, body