ignorant /ˈɪgnərənt/ /ˈɪgnərənt/
uneducated /ʌnˈedʒukeɪtɪd/ /ʌnˈedʒukeɪtɪd/
uninformed /ˌʌnɪnfˈɔːɹmd/ /ˌʌnɪnfˈɔːmd/
ignorant person