Answer: free, real, human
the answer is "Shlemiel's treatment of the dog shows that Shlemiel is a kind, tender person.'
The most prominent one is assonance since the diphthong /ai/ keeps repeating in night, by, fire, fly, but there is also an alliteration between fire and fly.
Answer: The quality of being just; righteousness, equitableness, or moral rightness: to uphold the justice of a cause. rightfulness or lawfulness, as of a claim or title; justness of ground or reason: to complain with justice. the moral principle determining just conduct.