At my right hand. — Comp. Psalms 109:31; Psalms 110:5; Psalms 121:5. The image seems to be a military one: the shield of the right-hand comrade is a protection to the man beside him.
Related Commentaries of Psalms 16:8
Psalms 16:8
8 I have set the LORD always before me: because he is at my right hand, I shall not be moved.