42:6 called . . . keep. These are expressions parallel to v. 1.

covenant for the people. Jesus Christ, as God’s Servant, brought the new covenant to His people (see 53:4–6; Jer. 31:31–34; Heb. 8:6–13; 9:15). The covenant is also called the “covenant of peace” (54:10), the “everlasting covenant” (55:3; 61:8), and the “new covenant” (Jer. 31:31).

light for the nations. The recipients of God’s light are a new community of light-bearers in a dark world (9:2; 49:6; 51:4; 60:1–3; Luke 2:30–32; Acts 26:17, 18, 23).