Daniel 1:11

Then said Daniel to Melzar, whom the prince of the eunuchs had set over Daniel, Hananiah, Mishael, and Azariah,

Cross-reference

Daniel 1:16 Historical context

In Daniel 1:16, the steward acts on Daniel's request by removing the royal food — the direct outcome of v.11's test proposal.

Daniel 2:17 Parallel

Daniel 2:17 shows Daniel again involving his three friends, this time in prayer for revelation — both depict collaborative action.