Fair enough, but "master" also has no negative connotations for me. It roughly means "in charge of." The postmaster is in charge of running the post office. The

Fair enough, but "master" also has no negative connotations for me. It roughly means "in charge of." The postmaster is in charge of running the post office. The ship's master is in charge of the day to day running of the ship (though he takes his orders from the commander). And so on.