someone whose job is to write or check financial records
something had to give
"Something has to change/be done--now" is often used in connection with social justice, ecology, or peace initiatives to describe situations that have become intolerable and are at a breaking point/flashpoint.
the present situation could not continue. Something had to change, and often with negative results. The general meaning here is that Rob Sinclair will no longer perform his duties as accountant in full-time-
on an even keel
The new manager succeeded in putting the business back on an even keel