how to select array in postgresql?

I have jsonb like this (in my databases) ==>

```(
     {
      "name": "Shahin",
      "biography": "I am an Iranian person to Persian rap n",
      "is_private": false,
     }
   )

know i want to get "Shahin",I use this code But gives me object

SELECT profiles::json->0 FROM "twitter_users" WHERE "profiles" IS NOT NULL