to neglect one's duty; to be remiss or irresponsible in performing professional responsibilities

To fulfill one's duties and responsibilities with extreme care and devotion.

to be faithful to one's post; to do one's duty with total devotion

to leave one's post without permission; to abscond from one's duties

to neglect one's official duties; to be negligent in one's work; asleep at the switch

to be guilty of dereliction of duty; to fail to fulfill one's professional responsibilities

to be fully devoted to one's post; to fulfill one's duties with complete loyalty

To be negligent in one's work; to fail to fulfill one's official responsibilities or duties.