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)

Kyūjitai form of 催告 (“to notify, to remind”)

(idiomatic) test of courage; dare

back and forth (of items, of discussion), exchange / interaction between people