scene of a fire; place where a fire took place

fire on the opposite shore, no skin off one's nose, someone else's problem

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)

unnecessary

needlessness

necessary evil

(idiomatic) to feel inferior, to feel small

looter at the scene of a fire (abbr. 火(か)事(じ)泥(どろ) (kajidoro)) / (figuratively) someone who takes advantage of confusion for dishonest personal gain

the father is feared as much as the worst natural occurrences