He's an extraordinary person and the TV viewers will love him because of his good sense of humour and his honesty.

honesty 是名词，由形容词 honest（诚实的）加上名词后缀 -ty 构成，表示"诚实、正直"的品质。honesty 强调言行一致、不说谎、不欺骗的道德品质。