Of all the people the little prince meets on the asteroids, which one does he think he could be friends with and why?

Of all the people he meets, the little Prince believes he could have been friends with the Lamplighter.

“I am unlucky,” said the lamplighter. “Good morning.” And he put out his lamp.

“That man,” said the little prince to himself, as he continued farther on his journey, “that man would be scorned by all the others: by the king, by the conceited man, by the tippler, by the businessman. Nevertheless he is the only one of them all who does not seem to me ridiculous. Perhaps that is because he is thinking of something else besides himself.” He breathed a sigh of regret, and said to himself, again: “That man is the only one of them all whom I could have made my friend. But his planet is indeed too small. There is no room on it for two people...”