交際

communication / social intercourse

to hand over / to deliver / to pay (money) / to turn over / to make friends / to intersect (lines) / variant of 跤[jiao1]

border / edge / boundary / interval / between / inter- / to meet / time / occasion / to meet with (circumstances)

social dance / ballroom dance

(female) social butterfly; socialite / courtesan

Enjo-kōsai or "compensated dating", a practice which originated in Japan where older men give money or luxury gifts to women for their companionship and sexual favors