Psalm 89:5-7 is written as a chiasm with the phrase "of the holy ones" repeated in the first and last lines. The center is what is being emphasized, "For who in the skies can be compared to the LORD? Who among the heavenly beings is like the LORD?" https://www.howthebiblefitstogether.org/files/Ps-89.5-7a-Chiasm.pdf

There is no indication in the Old Testament that there are any humans on the divine council. Only heavenly beings are included (Job 1:6; 2:1; 38:7; Psalm 82:1-6; 89:5-7). https://www.howthebiblefitstogether.org/files/Ps-82e-Divine-Council-Membership.pdf

"The sons of the Most High" in Psalm 82:6 are the sons of God, heavenly beings called gods in both Psalm 82:1 and 6. They are members of the divine council (Ps 82:1). However, in their ruling of the nations they "judged unjustly and showed partiality to the wicked" (Ps 82:2) and as a result

In Psalm 82:1 the Hebrew word elohim is used with two different meanings. The first usage has of elohim has a verb in the singular, indicating the God of Israel. The second elohim is used in a plural sense of the heavenly members of the divine council as is seen in the ESV translation of

Psalm 82:1 is a chiasm where the verbs of the first and last lines refer to the activity of God while the two center phrases locate him "in the divine (Hebrew: el) council" and "in the midst of the gods (Hebrew: elohim). https://www.howthebiblefitstogether.org/files/Ps-82.1b-Chiasm.pdf

Psalm 49 is a written as a chiasm where vocabulary of the first section (verses1-13) is repeated in the final section (verses15-20). The center, which is the climax, is that the upright will rule over those appointed for Sheol (verse 14). https://www.howthebiblefitstogether.org/files/Ps-49a-Chiasm.pdf