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.
かせぐ
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?