unworrying, safe

to have one's heart at ease, to feel easy, to be relieved

relief / lack of worry, peace of mind / (Buddhism) equanimity

to leave .. to ..; to entrust .. to ..; to rely on ..; to depend on .. / to hand over .. to .. / to leave everything to ..

leaving something to someone else, especially the choice of a meal to a chef

entrust something to someone else, defer something to someone, leave something up to someone

imperfective of 任せる / continuative of 任せる

a job; an occupation; work / job, work (task) / (physics) work, change of energy

to work

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend