tag (game)

ghost / evil spirit, demon, ogre / (figuratively) someone of remarkable or diabolical energy or ability, a demon / "it" in a game of tag/hide and seek (鬼ごっこ onigokko, "pretend spirits")

a thing, occasion, circumstances, detail, particular / act of (word used for the nominalization of verbs, adjectives, or phrases)

play, amuse oneself, enjoy oneself / spend one's time idle, do nothing / for an item not to be in use, be spare or idle

child

park

thing / matter / fact

demon, ogre, monster / soul of the deceased

child's naive mind, child's juvenile mind

plural of 子供: children