一介[ikkai] mere
荷厄介[niyakkai] encumbrance
介して[kaishite] through the medium of
介意[kaii] worrying about
介殻[kaikaku] sea shell

介護[kaigo] nursing
介甲[kaikou] crust-like shell
介在[kaizai] mediation
介錯[kaishaku] suicide assistant
介添え[kaizoe] helper

助番[sukeban] leader of a female gang
一助[ichijo] help
呑み助[nomisuke] tippler
雲助[kumosuke] palanquin bearer
援助[enjo] assistance

援助凍結[enjotouketsu] suspension of aid
技術援助[gijutsuenjo] technological assistance
救助[kyuujo] relief
共助[kyoujo] cooperation
経済援助[keizaienjo] economic assistance