in fear for one's/someone's life

:  frighten

:  to feel fear in (oneself)

:  to have a reverential awe of

:  an unpleasant often strong emotion caused by anticipation or awareness of danger

:  an instance of this emotion

:  a state marked by this emotion

:  some person :  somebody

:  the quality that distinguishes a vital and functional being from a dead body

:  a principle or force that is considered to underlie the distinctive quality of animate beings

:  an organismic state characterized by capacity for metabolism (see metabolism 1), growth, reaction to stimuli, and reproduction

:  of or relating to animate being

:  lifelong

:  using a living model