ɪn kˈaɪɹoʊ, hiː hˈaɪɚd sˌuːdənˈiːz mˈɜːsənˌɛɹiz fɚðə nˈuː ʃˈʌtstɹʌp ænd pɑːɹtˈɪsᵻpˌeɪɾᵻd ɪnðə fˈɜːst mˈɪlətˌɛɹi kæmpˈeɪn ɐɡˈɛnst ðɪ ɐbˈoʊ, nɔːɹθwˈɛst ʌvðə pˈoːɹt sˈɪɾi ʌv dwˈɑːlə.
In Cairo, he hired Sudanese mercenaries for the new Schutztruppe and participated in the first military campaign against the Abo, northwest of the port city of Douala.