What do Kropp, Muller, Leer, and Paul Baumer have in common?

Which three lines in this expert from anita desai’s games of twilight clearly show an omniscient narrator

1. saved aronnax from drowning "an incident" 2. speed of the nautilus man-of-war 3. next to captain nemo conseil 4. electricity vigo bay 5. "a coral tomb" 20,000 leagues 6. the nautilus runs aground nemo's "thunderbolt" 7. episodes are connected by aronnax's quarters 8. captain nemo's "bank" cause 9. distance aronnax traveled on the nautilus "a fine death for a sailor" 10. captain nemo sinks for revenge 50 miles per hour

The attitude the speaker in this poem holds toward himself can best be described as