彼の要求を

his request

→ 彼
phrase Rare #35,164
his request 彼の means “his,” 要求 means “request” or “demand,” and を marks the phrase as the object of the following verb. The phrase is incomplete by itself and is usually followed by a verb such as 拒絶する (reject) or 認める (accept).
JA: 彼の要求を受け入れることはできません。
EN: We can't accept his request.

私は彼の要求を承諾するだろう

I would accept his request.

君は断固として彼の要求を拒絶すべきであった

You should have firmly rejected his demand.

私にとって彼の要求を断るのは困難だった

It was difficult for me to refuse his request.

彼の要求を拒絶する

I reject his request.