en_tn_lite_do_not_use/psa/121/005.md

Yahweh is the shade at your right hand

Here "shade" refers to protection. Alternate translation: "God is beside you to protect you from things that would hurt you" (See: rc://en/ta/man/jit/figs-metonymy)

at your right hand

Here this expression means to be beside or near to the writer.