The poem mainly talks about the interrelationship between humans and animals and how animals deserve to be treated in a good way because they are capable of giving back and not only taking.
The poem talks about a poor old lady who is willingly to feed outlaws cats and treat them like no other person did before to show her kindness and to feel the love that they give her back because the cats think that when she comes ,its the sweetest thing that ever happened to them and that is shown in the line ' but this is the sweetest moment that they know'.
The poet first gives us an impression that the lady is poor and old by using alliteration in the first line of the poem 'shuffling along in her broken shoes from the slums' the word shuffling refers to being old, then he refers to her as wearing broken shoes but that doesn't give as a clear idea about what he is talking about but when he says 'slums' it is clear to us that she is in poverty. Also he uses a simile 'like a pine in the rain' to refer to her dress as old, worn-out and faded just like a pine tree , but slowly after introducing the cats into the poem, Douglas Stewart gives as another impression about the old lady when using the words 'princes out of a tower' to show us that the lady is like a princess to the cats even though she is poor, being a princess is not about being rich or wearing nice clothes but about the emotions in her heart and all the love that she gives to the cats. finally in the last line he calls her 'queen of the cats' and makes her much more powerful