"She does not agree."

Translation: Dia tidak setuju.

[eatbeatz]

Does ia only mean she?

[DiegoJaviUnlam]

Halo teman! I think it is not like that. Here is a very good explanation from the forum:

https://forum.duolingo.com/comment/28585404

And here are some examples with translations:

https://forum.duolingo.com/comment/29750475

I hope it helps.
Selamat belajar! :)

[akucintaDani]

Ia can mean he, she, and sometimes it

[Seb38714]

Is "Tidak setujunya" not okay? I dont understand why i cant use -nya here.

[AVAX3M]

In this case, "setuju" is a verb so you can't append -nya to it.