see sample answer below

– I think the majority of people love dogs.
– The emperor loved his golden robes while the peasants couldn’t afford to eat.
– The imperial guard hated the valiant knight.
– If you plot to overthrow the queen, you are committing treason!
– The sovereign states were much happier than the states that were not free.
– the animals were trapped in captivity while living in the zoo.

see sample answer below

-Majority antonyms: minority
– Imperial antonyms: unheroic, humble, unimposing, unimpressive
– emperor antonyms: peasant
– treason antonyms: loyalty, allegiance
– sovereign antonyms: inferior, subordinate, last
– captivity antonyms: free