In Job 7:17, Job marvels that God pays such attention to man, echoing his bewilderment in 7:12 about being guarded like a sea creature.

In Job 7:20, Job continues his lament, asking why God watches him — directly expanding the guard imagery from v12.

In Job 38:6-11, God describes his sovereign control over the sea, directly answering Job's complaint that he is being guarded like the sea.

Job 41 describes the powerful sea monster Leviathan, which Job references in 7:12 as a comparison for his own treatment.

Job 16:12 describes God setting him up as a target, similar to the sense of being guarded/hostile in 7:12.

Lamentations 3:7 describes being walled in and chained, echoing Job's feeling of being guarded by God in 7:12.