Demand
Request
noun, verbal noun
You need something so you request it. But, since it's such a strong need, it's not really a request, it's more of a demand.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
労働組合は賃上げを要請した。
The labor unions demanded a wage increase.