A wind is ruffling the tawny pelt
Of Africa, Kikuyu, quick as flies,
Batten upon the bloodstreams of the veldt.
Corpses are scattered through a paradise.
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He feels conflict between England and Africa. His two grandfathers were English: the two grandmothers were African. England has the language he loves, but also a colonial mentality towards Africans whom it treats cruelly at times. He feels the bond to Africa, which may be stronger.
The identity torment of a descendant of slaves and slave owners. Derek who at this time is probably in his eighties asks the questions of his generation. The generation that followed him look back to who they were before slavery and colonization and more embrace Africa. Younger poets from the Caribbean and America now write in local dialect. Readers are now more open to diversity in the English language. After all, language is not static, it evolves and users change and add words in each generation. English in England has undergone constant changes too.
I came across Derek Walcott, or rather his statue, on a visit to St. Lucia - his home island. Since then I have read his poetry and always like it.