"筆者" meaning in Japonais

{
  "categories": [
    {
      "kind": "other",
      "name": "Pronoms personnels en japonais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Japonais",
      "orig": "japonais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de 筆, hitsu (« stylo, pinceau ») et de 者, sha (« personne »)."
  ],
  "forms": [
    {
      "form": "ひっしゃ",
      "tags": [
        "hiragana"
      ]
    },
    {
      "form": "hissha",
      "tags": [
        "transcription"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "notes": [
    "À ne pas confondre avec 著者, chosha ou 作者, sakusha."
  ],
  "pos": "pron",
  "pos_title": "Pronom personnel",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes littéraires en japonais",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "L’auteur de ce texte. Moi, je."
      ],
      "id": "fr-筆者-ja-pron-ND8X5bLq",
      "tags": [
        "literary"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\çiɕ.ɕa\\"
    }
  ],
  "synonyms": [
    {
      "word": "私"
    }
  ],
  "tags": [
    "person"
  ],
  "word": "筆者"
}

{
  "categories": [
    "Pronoms personnels en japonais",
    "japonais"
  ],
  "etymology_texts": [
    "Composé de 筆, hitsu (« stylo, pinceau ») et de 者, sha (« personne »)."
  ],
  "forms": [
    {
      "form": "ひっしゃ",
      "tags": [
        "hiragana"
      ]
    },
    {
      "form": "hissha",
      "tags": [
        "transcription"
      ]
    }
  ],
  "lang": "Japonais",
  "lang_code": "ja",
  "notes": [
    "À ne pas confondre avec 著者, chosha ou 作者, sakusha."
  ],
  "pos": "pron",
  "pos_title": "Pronom personnel",
  "senses": [
    {
      "categories": [
        "Termes littéraires en japonais"
      ],
      "glosses": [
        "L’auteur de ce texte. Moi, je."
      ],
      "tags": [
        "literary"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\çiɕ.ɕa\\"
    }
  ],
  "synonyms": [
    {
      "word": "私"
    }
  ],
  "tags": [
    "person"
  ],
  "word": "筆者"
}