To Demand
する verb
You hopefully know that 要求 is a demand. When you make that a verb it becomes to demand.
ようきゅうする
The reading is just the vocab word 要求. It's also the regular on'yomi jukugo reading.
あんまりむ理なことを要求するなよ？
Don't demand too much from him, okay?
先方は、か格の点で妥協するようこちらに要求してきています。
They are demanding we compromise on the price.
彼にお金を要求されたから、ふざけるなって言ってやったんだけど、そしたらボコボコにされて、財布から無理やりお金を盗られちゃったよ。
When he demanded money from me I told him to kiss my ass. Then I was beaten up and he forcibly stole the money from my wallet.