life / lifespan / lifetime / fate, destiny / (figuratively) the most important part or aspect of a thing

chief, head, leader

(usually of investigation, questioning, etc.) thoroughly

命: life

indifference to potential loss to life; recklessly dangerous

蝙蝠: a bat (small flying mammal of order Chiroptera); a paper folding fan; a haori with long sleeves similar to the wings of a bat

堀, 濠, 壕: ditch, canal; moat / 彫り: engraving / 捕吏:

堀, 保里: a surname / Japanese pronunciation of the Taiwanese town 埔里 (Pǔlǐ)

堀川: a surname

岩堀: a surname