"школярцю" meaning in Ukrainien

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en ukrainien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Ukrainien",
      "orig": "ukrainien",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "школярцю́",
      "tags": [
        "canonical"
      ]
    }
  ],
  "lang": "Ukrainien",
  "lang_code": "uk",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "школяре́ць"
        }
      ],
      "glosses": [
        "Datif singulier de школяре́ць."
      ],
      "id": "fr-школярцю-uk-noun-3BEnXcZ7"
    },
    {
      "form_of": [
        {
          "word": "школяре́ць"
        }
      ],
      "glosses": [
        "Locatif singulier de школяре́ць."
      ],
      "id": "fr-школярцю-uk-noun-1HTVZCWW"
    },
    {
      "form_of": [
        {
          "word": "школяре́ць"
        }
      ],
      "glosses": [
        "Vocatif singulier de школяре́ць."
      ],
      "id": "fr-школярцю-uk-noun-0f5RRc~i"
    }
  ],
  "tags": [
    "animate",
    "form-of",
    "masculine"
  ],
  "word": "школярцю"
}

{
  "categories": [
    "Formes de noms communs en ukrainien",
    "ukrainien"
  ],
  "forms": [
    {
      "form": "школярцю́",
      "tags": [
        "canonical"
      ]
    }
  ],
  "lang": "Ukrainien",
  "lang_code": "uk",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "школяре́ць"
        }
      ],
      "glosses": [
        "Datif singulier de школяре́ць."
      ]
    },
    {
      "form_of": [
        {
          "word": "школяре́ць"
        }
      ],
      "glosses": [
        "Locatif singulier de школяре́ць."
      ]
    },
    {
      "form_of": [
        {
          "word": "школяре́ць"
        }
      ],
      "glosses": [
        "Vocatif singulier de школяре́ць."
      ]
    }
  ],
  "tags": [
    "animate",
    "form-of",
    "masculine"
  ],
  "word": "школярцю"
}