made him ruler of the works of Your hands: The psalmist is still referring to humans in general.
Paul applies these words to Jesus as the perfect man who has made the created order, and even death (1 Corinthians 15:25–27), subject to God and his glory.
The New Testament connects these themes of creation and salvation with Jesus Christ (John 1:1–2, 14; Colossians 1:16).