The speaker in these lines from Langton Hughes’s poem “I, Too” states that he is “growing strong” eating in the

The speaker in these lines from Langton Hughes’s poem “I, Too” states that he is “growing strong” eating in the kitchen. Which statement best describes the meaning of this declaration?

I am the darker brother.
They send me to eat in the kitchen
When company comes,
But I laugh,
And eat well,
And grow strong. . .