one who flies above  in a non-NASA vehicle as a crewmember and demonstrates activities during flight that are essential to public safety, or contribute to human space flight safety, is considered a commercial astronaut by the Federal Aviation Administration
wˈʌn hˌuː flˈaɪz əbˌʌv ɪn ɐ nˈɑːnnˈæsɐ vˈiəkəl æz ɐ kɹuːmˈɛmbɚ ænd dˈɛmənstɹˌeɪts æktˈɪvᵻɾiz dˈʊɹɹɪŋ flˈaɪt ðæt ɑːɹ ᵻsˈɛnʃəl tə pˈʌblɪk sˈeɪfti, ɔːɹ kəntɹˈɪbjuːt tə hjˈuːmən spˈeɪs flˈaɪt sˈeɪfti, ɪz kənsˈɪdɚd ɐ kəmˈɜːʃəl ˈæstɹənˌɔːt baɪ ðə fˈɛdɚɹəl ˌeɪvɪˈeɪʃən ɐdmˌɪnɪstɹˈeɪʃən