unrepresented

US /ˌʌn.rep.rɪˈzen.tɪd/
UK /ˌʌn.rep.rɪˈzen.tɪd/
1.

having no one to speak for you officially, for example in a court of law or a governing authority:

:
•
Martins, who was unrepresented, was banned from driving and fined $200.