To keep, guard, watch over — the human's garden vocation (2:15), disowned by Cain ('my brother's keeper?', 4:9). ⚠ Psalm 121 turns it into the whole psalm: the root falls six times in six verses (3, 4, 5, 7 twice, 8), the highest concentration of one word anywhere in a psalm this short, closing on the same promise God made Jacob at Bethel — 'I will keep you wherever you go' (28:15). → first discussed at Gen 2:15