en_tn_condensed/psa/022/023.md

You who fear

Here "You" is plural. (See: rc://en/ta/man/jit/figs-you)

you descendants of Jacob ... you descendants of Israel

Both of these refer to the same group of people. (See: rc://en/ta/man/jit/figs-parallelism)

Stand in awe of him

"Be full of awe for him" or "Let God's power amaze you"