θɹuːˈaʊt hɪz lˈaɪf, kɹˈeɪtən tʃˈæmpiənd ðə kˈɔːz ʌv nˈeɪɾɪv ɐmˈɛɹɪkənz ænd ɹᵻpˈiːɾᵻdli spˈoʊk ˈaʊt ɐɡˈɛnst ðɛɹ mɪstɹˈiːtmənt.
Throughout his life, Creighton championed the cause of Native Americans and repeatedly spoke out against their mistreatment.