To Earn Income
To Make Money
intransitive verb, godan verb
Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means earnings and the verb vocab version is to earn income, because you can't "to income" something. Can also be to make money.
To earn income, you decided to start a car sale. (かせ) "Every car sale, a step to richness!" was your quirky business mantra.
現職の大統領が、前大統領よりもどれだけ多くのお金を稼いでいるか知っているかい？
Do you know how much more money the incumbent president earns than the former president?
『紅の豚』は、空を飛ぶ賞金稼ぎの豚を主人公にしたジブリの作品で、「飛ばねえ豚はただの豚だ。」という台詞が有名です。
"Porco Rosso" is a Studio Ghibli film about a bounty-hunting pilot who has been turned into a pig, and it's famous for the line, "A pig that doesn't fly is just a pig."