"oath-helper" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "oath",
        "3": "helper"
      },
      "expansion": "oath + helper",
      "name": "com"
    },
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "Eidhelfer",
        "nocap": "1"
      },
      "expansion": "calque of German Eidhelfer",
      "name": "calque"
    },
    {
      "args": {
        "1": "de",
        "2": "Eideshelfer"
      },
      "expansion": "Eideshelfer",
      "name": "m"
    },
    {
      "args": {
        "1": "nl",
        "2": "eedhelper"
      },
      "expansion": "Dutch eedhelper",
      "name": "cog"
    },
    {
      "args": {
        "1": "fy",
        "2": "eedhelper"
      },
      "expansion": "West Frisian eedhelper",
      "name": "cog"
    }
  ],
  "etymology_text": "From oath + helper, probably a calque of German Eidhelfer (also Eideshelfer), Dutch eedhelper, West Frisian eedhelper.",
  "forms": [
    {
      "form": "oath-helpers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "oath-helper (plural oath-helpers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "One brought into court to swear to the truth and testify on oath on behalf of the accused, to clear them from suspicion of crime."
      ],
      "id": "en-oath-helper-en-noun-aB5VEgTV",
      "links": [
        [
          "court",
          "court"
        ],
        [
          "swear",
          "swear"
        ],
        [
          "truth",
          "truth"
        ],
        [
          "testify",
          "testify"
        ],
        [
          "accused",
          "accused"
        ],
        [
          "suspicion",
          "suspicion"
        ],
        [
          "crime",
          "crime"
        ]
      ],
      "qualifier": "Anglo-Saxon",
      "raw_glosses": [
        "(Anglo-Saxon, historical) One brought into court to swear to the truth and testify on oath on behalf of the accused, to clear them from suspicion of crime."
      ],
      "synonyms": [
        {
          "word": "oath helper"
        }
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "word": "oath-helper"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "oath",
        "3": "helper"
      },
      "expansion": "oath + helper",
      "name": "com"
    },
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "Eidhelfer",
        "nocap": "1"
      },
      "expansion": "calque of German Eidhelfer",
      "name": "calque"
    },
    {
      "args": {
        "1": "de",
        "2": "Eideshelfer"
      },
      "expansion": "Eideshelfer",
      "name": "m"
    },
    {
      "args": {
        "1": "nl",
        "2": "eedhelper"
      },
      "expansion": "Dutch eedhelper",
      "name": "cog"
    },
    {
      "args": {
        "1": "fy",
        "2": "eedhelper"
      },
      "expansion": "West Frisian eedhelper",
      "name": "cog"
    }
  ],
  "etymology_text": "From oath + helper, probably a calque of German Eidhelfer (also Eideshelfer), Dutch eedhelper, West Frisian eedhelper.",
  "forms": [
    {
      "form": "oath-helpers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "oath-helper (plural oath-helpers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms calqued from German",
        "English terms derived from German",
        "English terms with historical senses"
      ],
      "glosses": [
        "One brought into court to swear to the truth and testify on oath on behalf of the accused, to clear them from suspicion of crime."
      ],
      "links": [
        [
          "court",
          "court"
        ],
        [
          "swear",
          "swear"
        ],
        [
          "truth",
          "truth"
        ],
        [
          "testify",
          "testify"
        ],
        [
          "accused",
          "accused"
        ],
        [
          "suspicion",
          "suspicion"
        ],
        [
          "crime",
          "crime"
        ]
      ],
      "qualifier": "Anglo-Saxon",
      "raw_glosses": [
        "(Anglo-Saxon, historical) One brought into court to swear to the truth and testify on oath on behalf of the accused, to clear them from suspicion of crime."
      ],
      "tags": [
        "historical"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "oath helper"
    }
  ],
  "word": "oath-helper"
}