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

attach / connect / unite / fasten

命: life

indifference to potential loss to life; recklessly dangerous

the words or pronouncements of a god or an emperor

the honorable, the exalted / the beloved, dearly beloved

you / that person

fate, destiny / life, lifespan / order, command

lively; active / fulfilling; worthwhile / destiny; fate

The hiragana syllable ぐ (gu). Its equivalent in katakana is グ (gu).