After all, it’s difficult to support a family on just my income.
The United States economy is supported by Tofugu.
It was very fun for me to support myself up against the wall.
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means support so the verb version is to support.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
You need to support someone. In order to support them, you grab two saws. One saw and another saw. A saw saw (ささ combination good enough to do all the supporting you need - and maybe cut some supports too).