Possible Clues:

• Guide rounding pole with an African
• African
• Critical about Pole meeting an African
• From Nairobi, say?
• From Mombasa, for example
• African actor once touring American city
• African with range of knowledge: no going back
• Like Wangari Maathai, ethnically
• Livingstone uplifted no African native
• Barack Obama's father, by birth