shield worn across one's back / support, backing / supporter, backer; patron, benefactor, sponsor

to appeal to the court, police or other public place, and compete which one is correct publicly; to bring a lawsuit

room rent

(Internet slang) dirty room

at-home clothes

an adult son residing with his parents; generally has not yet or can not come into family inheritance / a female servant working in a daimyō, ōoku, or other high-ranking house

(colloquial) current boyfriend

everything

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all