Is There a Single "Mother Language" of Africa?

No. Africa has over 1,000 languages across multiple families:

• Afro-Asiatic (North/East)
• Niger-Congo (West/Central/South – includes Bantu)
• Nilo-Saharan (Central/East)
• Khoisan (Southern – click languages)
• Austronesian (Madagascar)

Major Lingua Francas

Swahili, Arabic, Hausa, Yoruba, Amharic, Zulu, French, English, Portuguese serve as regional/national bridges.

Conclusion

Africa's linguistic diversity is immense; no single language can be called the "mother language" of the continent.