go forth. This is an enlargement of Isaiah 41:15; Isaiah 41:16. Still more so in Revelation 6:2; Revelation 19:11.
mighty man. Hebrew. gibbor.
stir up. awaken, incite. See note on Song of Solomon 2:7.
jealousy. Reference to Pentateuch (Exodus 20:6). App-92.
cry... roar. Figure of speech Anthropopatheia.