ticket window

entrance, (especially) entrance area of a school building

prisoner of war or slave (as mentioned in Chinese historiography regarding China, Korea, and Japan)

job opening

the 高 character

(Chūgoku, Shikoku, Kyūshū) because, since, so: presents the preceding clause as the reason for the following clause

three

(Internet slang) Alternative spelling of さん (san)

a skewer

thirty