► 名詞
後輩 [こうはい] meaning: junior rank: 2
☆ てめえ後輩の癖に生意気だ。しばいてやる ⇨ You are too fucking arrogant as my junior. I am gonna beat the shit out of your fucking ass (☛ In Japanese society only people who graduated from schools in the same year are real peers, and anyone who graduated later is your junior you can use as a slave)
目下 [めした] meaning: junior rank: 2
☆ 彼は目下の者をこき使う ⇨ He abuses his subordinates (☛ Literally “below eye”. Non-family-member subordinates)
二軍 [にぐん] meaning: junior rank: 3
☆ 彼は今巨人の二軍にいる ⇨ He currently plays for the second-level, minor league, team of Giants
► 形容動詞
年下 [としした] meaning: junior rank: 2
☆ 私の妹は三つ年下だ ⇨ My sister is three years younger than me (☛ In Asian societies you have to respect anyone who is older than you, even by a year)