Shared ground
Psalm 130:7 shifts from an individual voice to a public address: “Israel” is called to place its hope in Yahweh. That call is immediately explained. Hope is presented as reasonable because of what is found “with Yahweh”: “lovingkindness” (reliable covenant love) and “abundant redemption” (a plentiful ability to rescue and release).
The verse is not mainly about Israel’s potential or effort. Its stated logic grounds hope in Yahweh’s character and resources. The verse also fits the psalm’s flow: earlier lines speak of guilt, forgiveness, reverent awe, and waiting (cf. Psalm 130:4–130:6), and v.7 broadens that posture from “I” to “we.”
Where interpretation differs
Who “Israel” is in view. Some read “Israel” as the whole nation in any setting, including times of national danger or exile. Others read it more narrowly as the worshiping community gathered to sing the psalm, so “Israel” means the covenant people as they assemble.
What kind of “redemption” is emphasized. Some hear “abundant redemption” mainly as deliverance from concrete troubles (personal and/or national). Others hear it primarily in relation to the psalm’s earlier concern with wrongdoing and forgiveness, so redemption is strongly tied to release from guilt and its consequences.
Why the disagreement exists
The verse uses broad, flexible covenant language (“with Yahweh…”) that can speak to multiple kinds of distress. Also, Psalm 130 has both moral/spiritual themes (forgiveness of wrongs) and crisis language (“out of the depths”), so interpreters weigh which thread is most central when they explain “redemption.”
What this passage clearly contributes
Explicitly, Psalm 130:7 (1) addresses Israel as a collective, (2) calls Israel to hope in Yahweh, and (3) gives two reasons: Yahweh’s steadfast love and Yahweh’s plentiful power to redeem. Theologically inferred from those explicit claims, the verse portrays hope as anchored in Yahweh’s dependable commitment and in help that is not scarce. It also presents these as covenant realities that Israel can publicly confess together (compare Exodus 34:6 for similar language).