I am waiting for my brother to...( arrive / get here / come back / get back )

wait for + someone + to (verb)

wait for + object + infinitive

I don't (1)want to wait for "MY BROTHER" (2)"to get" here / to arrive

1 - "to" between two verbs

2 -  wait for + object + infinitive

Sugestão:

Eu usaria arrival

... my oldest brother's arrival

opinião:

want to wait for

want to wait for fica melhor em frases negativas...

ex. I don't want to wait for her to finish her shopping, I just wanna go home.

em frases afirmativas eu usaria "expect"

I expect my oldest brother's arrival this Sunday.

expect is followed by an infinitive verb

I expect my oldest brother to come home this Sunday

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