"père de l'Église" meaning in French

{
  "forms": [
    {
      "form": "père de l’ Église",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "pères de l’Église",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "père de l’Église m (plural pères de l’Église)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Christianity",
          "orig": "fr:Christianity",
          "parents": [
            "Abrahamism",
            "Religion",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Church Father"
      ],
      "id": "en-père_de_l'Église-fr-noun-EOjeZx9Z",
      "links": [
        [
          "Christianity",
          "Christianity"
        ],
        [
          "Church Father",
          "Church Father"
        ]
      ],
      "raw_glosses": [
        "(Christianity) Church Father"
      ],
      "topics": [
        "Christianity"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pɛʁ də l‿e.ɡliz/"
    }
  ],
  "word": "père de l'Église"
}

{
  "forms": [
    {
      "form": "père de l’ Église",
      "tags": [
        "canonical",
        "masculine"
      ]
    },
    {
      "form": "pères de l’Église",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "père de l’Église m (plural pères de l’Église)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "fr:Christianity"
      ],
      "glosses": [
        "Church Father"
      ],
      "links": [
        [
          "Christianity",
          "Christianity"
        ],
        [
          "Church Father",
          "Church Father"
        ]
      ],
      "raw_glosses": [
        "(Christianity) Church Father"
      ],
      "topics": [
        "Christianity"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pɛʁ də l‿e.ɡliz/"
    }
  ],
  "word": "père de l'Église"
}